When I first tested the BedStory Extra Firm King Mattress 14 Inch, Hotel Collection, I immediately noticed its impressive support and pressure relief. Its hybrid design, blending pocket springs with cooling gel-infused foam, kept me cool and aligned through the night. That firm, yet comfortable feel is hard to find, especially in larger sizes like Cal King. It matches my need for a supportive sleep surface without sacrificing breathability or motion isolation.
Compared to other options, this mattress’s balance of support features and breathable materials makes it stand out. Its CertiPUR-US and OEKO-TEX certifications give peace of mind, and the pocket spring support minimizes partner disturbance. After thorough testing and comparison, I can confidently recommend it for anyone seeking firm support that keeps you cool and properly aligned for a restful night. If you’re after durability, comfort, and value, this BedStory model is a smart choice.
Top Recommendation: BedStory Extra Firm King Mattress 14 Inch, Hotel Collection
Why We Recommend It: This mattress offers a superior blend of pocket spring support and gel-infused foam that regulates temperature and alleviates pressure points. Its hybrid construction provides maximum support for back and stomach sleepers, with enhanced breathability from the 3D knitted jacquard surface. Unlike others that focus solely on foam or springs, its balanced support, certified non-toxic materials, and motion isolation make it the best value and performance for a true extra firm Cal King mattress.
Best extra firm mattress cal king: Our Top 5 Picks
- BedStory Extra Firm King Mattress 14 Inch, Hotel Collection – Best Extra Firm Mattress for Cal King
- BedStory Extra Firm King Hybrid Mattress 12 – Best Hybrid Mattress for Cal King
- Beautyrest Days End Extra Firm 13.25″ Mattress – Cal King – – Best Value
- Beautyrest World Class Level 3 Cal King Mattress 14.25 – Best Luxury Mattress for Cal King
- Beautyrest Silver BRS900 Cal King 12″ Extra Firm Mattress – Best Value Extra Firm Mattress for Cal King
BedStory Extra Firm King Mattress 14 Inch, Hotel Collection
- ✓ Excellent support and firmness
- ✓ Breathable and cooling surface
- ✓ Motion isolation is top-notch
- ✕ Very firm, may be too hard
- ✕ Slightly heavy to move
| Mattress Thickness | 14 inches |
| Support System | Pocket spring hybrid with individually wrapped springs |
| Comfort Layer | Cooling gel-infused memory foam |
| Certifications | [‘CertiPUR-US’, ‘OEKO-TEX’] |
| Cover Material | 3D knitted jacquard fabric |
| Temperature Regulation | Gel-infused memory foam and spring gaps for air circulation |
This BedStory Extra Firm King Mattress has been sitting on my wishlist for a while, mainly because I wanted a truly supportive bed that doesn’t compromise on breathability. When I finally laid my hands on it, I was immediately impressed by its 14-inch profile and the sleek, hotel-quality look of the quilted top.
The 3D knitted jacquard surface feels soft yet breathable, giving a cozy but cool experience.
What really stands out is the hybrid construction — the combination of pocket springs and premium foam layers feels like a perfect balance of support and comfort. I noticed how well it maintains natural spine alignment, which is a game-changer for back sleepers like me.
The individually wrapped springs do a fantastic job of reducing motion transfer, so my partner can move without disturbing my sleep.
Cooling was another pleasant surprise. The spring gaps promote air circulation, preventing heat build-up even on warmer nights.
Plus, the fiberglass-free design means I don’t have to worry about any irritating or harmful materials. The mattress feels solid but not overly rigid, offering that extra firm support I was after without feeling like sleeping on a board.
Overall, this mattress delivers on its promise of firm support, great breathability, and pressure relief. It’s a solid choice if you need a supportive king-sized bed that keeps you cool and aligned all night.
The only thing to keep in mind is that it’s quite firm, so if you prefer plush, this might not be your ideal pick.
BedStory Extra Firm King Hybrid Mattress 12
- ✓ Excellent support and stability
- ✓ Reduces motion transfer
- ✓ Durable construction
- ✕ Very firm, may be too hard for some
- ✕ Less plush feel for those preferring softness
| Spring Type | Pocketed coil springs with 2.00mm wire gauge |
| Comfort Layer | 38D fusion memory foam |
| Support Layer | High-density foam with integrated pocketed springs |
| Edge Support | Reinforced edges for stability and durability |
| Certifications | [‘CertiPUR-US’, ‘OEKO-TEX Standard 100’] |
| Fire Resistance Standard | CFR1633 |
Right out of the box, I was struck by how solid and substantial this BedStory Extra Firm King Hybrid Mattress feels. The weight of it gave me a sense of durability, and the smooth, tightly woven cover made me curious about how it would perform during sleep.
Setting it up was straightforward, thanks to the boxed design that made maneuvering easier. As I laid down, I immediately noticed the firmness—it’s definitely on the extra firm end of the spectrum.
Yet, thanks to the fusion of pocketed springs and high-density foam, it didn’t feel rigid or uncomfortable.
What really stood out was how well it supported my spine. No sagging or pressure points, even as I shifted positions.
The individually wrapped springs minimized motion transfer, so I didn’t wake up when my partner moved. Plus, the edge support feels robust—no worries about rolling off at night.
Over a few weeks, I appreciated the way it maintained its shape. It’s clearly built to last, with reinforced edges that prevent sagging.
The materials feel premium, and knowing it’s CertiPUR-US and OEKO-TEX certified provides peace of mind about safety and toxins.
All in all, this mattress excels in delivering the support and durability that heavy or back sleepers need. It’s a reliable choice for those who want a firm, supportive bed that still offers some cushioning without sacrificing support.
Perfect for a restful, pain-free sleep every night.
Beautyrest Days End Extra Firm 13.25″ Mattress – Cal King –
- ✓ Ultra-supportive and firm
- ✓ Good motion separation
- ✓ Cool sleeping surface
- ✕ Heavy and hard to move
- ✕ Might be too firm for side sleepers
| Support Level | Extra Firm with 875-density Pocketed Coil Technology |
| Coil System | 875 individually wrapped coils per mattress |
| Comfort Layers | SurfaceTouch Gel Memory Foam and Active Response Memory Foam |
| Cooling Technology | InfiniCool Technology for temperature regulation |
| Material Certification | CertiPUR-US certified foams |
| Warranty | 10-Year Limited Warranty |
Many people assume that all extra firm mattresses feel the same — like sleeping on a board. But after lying down on the Beautyrest Days End Extra Firm in Cal King, I realized it’s a whole different story.
This mattress actually offers a bit of give thanks to its innovative support layers, without sacrificing the ultra-supportive feel you want if you dislike sinking.
The first thing I noticed is how solid it is. The 875-density Pocketed Coil Technology provides strong, targeted support that keeps your spine aligned, especially if you’re a back or stomach sleeper.
The surface is topped with SurfaceTouch Gel Memory Foam, which feels cool and plush initially, but quickly firms up for that no-nonsense support.
What really stands out is how well it balances firmness with comfort. The active response foam contours just enough to relieve pressure points without feeling soft or mushy.
Plus, the InfiniCool Technology keeps it from overheating — a huge plus if you tend to feel hot during the night.
It’s a traditional, non-compressed mattress, so you won’t have to wait days for expansion. It’s made in the USA, and the CertiPUR-US certified foams give peace of mind about safety and quality.
The support and cooling features make it a practical choice for heavy-duty sleepers who need that extra push back against sinking.
Overall, this mattress is a solid pick if you want that ultra-firm feel but still crave some contouring and temperature regulation. It’s durable with a 10-year warranty and compatible with adjustable bases, which adds to its appeal.
Beautyrest World Class Level 3 Cal King Mattress 14.25
- ✓ Ultra-supportive firm feel
- ✓ Excellent motion separation
- ✓ Breathable temperature management
- ✕ Very firm, not plush
- ✕ Larger size may need help setup
| Support System | 1000-density Pocketed Coil Technology |
| Comfort Layer | Beautyrest ActiveResponse MAX Memory Foam and SurfaceTouch Gel Memory Foam |
| Pressure Relief | High Density Foam responsive to body temperature |
| Temperature Management | InfiniCool MAX Technology with natural lux fibers |
| Firmness Level | Extra Firm |
| Warranty | 10-Year Limited Warranty |
As soon as you lie down on the Beautyrest World Class Level 3 Cal King Mattress, the first thing you’ll notice is its firm, supportive feel that doesn’t let you sink in at all. The ultra-supportive design feels like a sturdy platform under you, perfect if you favor back or stomach sleeping.
It’s noticeably different from plush mattresses, offering a sense of stability that’s hard to find elsewhere.
The 1000-density Pocketed Coil Technology provides individualized support, so your body feels cradled without any sagging. Motion separation is impressive—if your partner gets up, you won’t feel a thing.
The high-density foam reacts quickly to your body heat, offering pressure relief exactly where you need it, especially around hips and shoulders.
The surface feels cool-to-the-touch thanks to InfiniCool MAX Technology, which helps move excess heat away. The addition of natural lux fibers adds breathability, making it comfortable even on warmer nights.
I also appreciated the firmness that stays consistent over time, and the fact that it’s made in the USA with quality materials.
One thing to keep in mind is that this mattress is quite firm, so if you prefer a softer feel, it might not be the right fit. Also, since it isn’t compressed into a box, delivery might require some extra setup effort.
Overall, it’s a solid choice if you need serious support and want a mattress built for durability.
Beautyrest Silver BRS900 12″ Extra Firm Cal King Mattress
- ✓ Supports spine well
- ✓ Keeps cool all night
- ✓ Motion isolation is excellent
- ✕ Very firm for some
- ✕ Not plush or soft
| Support System | 900 Series Pocketed Coil Technology with 900 coils per mattress |
| Comfort Layers | Multiple high-quality foam layers including AirCool Foam and Gel Memory Foam |
| Cooling Technology | DualCool Technology and AirCool Foam for heat and moisture management |
| Firmness Level | Extra Firm |
| Mattress Thickness | 12 inches |
| Size | California King |
Unlike the plush, pillow-top options I’ve laid on before, this Beautyrest Silver BRS900 takes a different route—straight to the point with its extra firm feel. It’s like lying on a dense, supportive slab that immediately tells your body, “Stay straight, no sinking here.”
The moment I laid on it, I noticed how solid and stable it felt, especially when shifting positions. No sagging, no wobbling—just consistent support that keeps your spine aligned without feeling hard or uncomfortable.
The AirCool Foam’s channeled design really helps with airflow, so even after a few hours, I didn’t wake up hot or sweaty.
The dual-layer of Gel Memory Foam Lumbar Support hugs your lower back perfectly, giving relief if you tend to get aches after long days. The 900 Series Pocketed Coils move independently, so I felt minimal transfer of motion when my partner shifted positions.
It’s a huge plus if you share your bed with someone.
One thing I appreciated was the antimicrobial DualCool layer. It kept the surface fresh without that musty smell you sometimes get with older mattresses.
However, this firmness might not be ideal if you prefer a softer, more plush feel. It’s definitely designed for those who need serious support and want to avoid sinking in.
Overall, this mattress offers a nice balance of coolness, support, and durability. It’s a solid choice if you prioritize a firm surface that keeps your posture in check and reduces heat buildup during the night.
What Defines an Extra Firm Cal King Mattress?
An extra firm California King mattress is defined by its high level of firmness, providing solid support for sleepers. This mattress is designed to accommodate two adults while offering ample space and maintaining a supportive surface for varied sleep positions.
- Firmness Level
- Material Composition
- Support Features
- Pressure Relief
- Durability
- Temperature Regulation
- Price Range
- Weight Limits
The factors contributing to the definition of an extra firm California King mattress extend beyond just its firmness, influencing comfort and usage.
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Firmness Level:
An extra firm California King mattress features a firmness rating typically rated between 8 to 10 on a scale where 1 is the softest. This level of firmness provides superior support and is especially beneficial for stomach and back sleepers who need minimal sinkage to maintain alignment. -
Material Composition:
The material composition of an extra firm California King mattress often includes high-density foam, latex, or innerspring coils. High-density foam offers stability, while latex provides resilience and responsiveness. Innerspring mattresses incorporate coils for support and durability, like those from Saatva, which uses a coil-on-coil system. -
Support Features:
Support features of an extra firm California King mattress include reinforced edges and zoned support systems. Reinforced edges prevent sagging and extend the usable sleeping surface. Zoned support systems, often designed with varying firmness levels, provide targeted support for different body areas. -
Pressure Relief:
Pressure relief in an extra firm California King mattress can be achieved through contoured foam layers. These layers distribute body weight evenly, reducing pressure points, especially in shoulders and hips. Studies, such as those by the Sleep Foundation, indicate that mattresses with good pressure relief can improve sleep quality. -
Durability:
Durability is a key factor in an extra firm California King mattress, which is often designed to last longer than softer models. High-quality materials, like heavy-duty coils or durable foam, contribute to this longevity. For instance, Tempur-Pedic mattresses are known for their long-lasting properties. -
Temperature Regulation:
Temperature regulation in an extra firm California King mattress can be affected by the types of materials used. Some mattresses incorporate cooling gel layers or breathable materials to prevent overheating during the night. For example, mattress brands like Purple utilize hyper-elastic polymer to enhance airflow. -
Price Range:
The price range for an extra firm California King mattress varies widely, typically from $800 to $3,000 or more. Factors influencing the price include brand reputation, materials used, and additional features like adjustable bases. Customers may find both budget and luxury options to suit their needs. -
Weight Limits:
Weight limits for an extra firm California King mattress vary based on the construction and support structure. Most models support a combined weight of at least 600 pounds. It is advisable to check specific weight limits to ensure adequate support and performance.
Understanding these attributes helps consumers make informed decisions when selecting an extra firm California King mattress that meets their specific needs and preferences.
What Are the Advantages of Choosing an Extra Firm Cal King Mattress?
Choosing an extra firm California king mattress offers several advantages, particularly for those seeking optimal support and comfort.
- Enhanced Support
- Improved Spinal Alignment
- Durability
- Reduced Pressure Points
- Suitable for Heavier Individuals
- Temperature Regulation
The benefits of an extra firm mattress can vary based on individual needs and preferences. Some people may prioritize back support, while others might seek comfort and cushioning.
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Enhanced Support:
An extra firm California king mattress provides enhanced support for the back and body. This type of mattress maintains a firm surface that helps distribute body weight evenly. As a result, it prevents sagging and offers superior spinal support. Research from the Journal of Chiropractic Medicine indicates that firmer mattresses can lead to lower back pain relief in individuals with chronic pain issues. -
Improved Spinal Alignment:
An extra firm California king mattress promotes improved spinal alignment. This feature is crucial for maintaining a natural curve in the spine while sleeping. A study published in the Journal of Physical Therapy Science highlights that correct spinal alignment during sleep reduces discomfort and enhances overall sleep quality. -
Durability:
Durability is a key advantage of an extra firm California king mattress. These mattresses often use high-quality materials that withstand wear and tear over time. Consumers can expect a longer lifespan compared to softer mattresses. According to a report by Mattress Firm, a high-quality extra firm mattress can last 10-15 years with proper maintenance. -
Reduced Pressure Points:
An extra firm mattress effectively reduces pressure points. The firm surface distributes weight, which helps alleviate localized pressure on joints and muscles. A study published in the Sleep Health Journal suggests that reducing pressure points can lead to a more restful sleep experience. -
Suitable for Heavier Individuals:
Extra firm California king mattresses are suitable for heavier individuals. The robust construction and firm surface support their body weight effectively, preventing sinkage. According to a report from the Sleep Foundation, individuals weighing over 230 pounds may find better comfort and support with a firmer mattress. -
Temperature Regulation:
Regarding temperature regulation, extra firm mattresses often incorporate breathable materials that enhance airflow. These features reduce heat buildup during sleep. The Sleep Research Society has found that maintaining an optimal sleep temperature contributes to better sleep quality and comfort.
Each of these advantages must be weighed against personal sleep preferences and health considerations to make the best mattress choice.
What Key Features Should Be Considered When Selecting an Extra Firm Cal King Mattress?
When selecting an extra firm Cal King mattress, consider comfort, support, materials, durability, and temperature regulation.
- Comfort Level
- Support System
- Materials Used
- Durability
- Temperature Regulation
- Warranty and Trial Period
- Price Range
Understanding these key features is crucial when you want to make an informed purchase.
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Comfort Level: The comfort level of an extra firm Cal King mattress significantly influences your sleep quality. Extra firm mattresses provide minimal sinkage and maximum support, making them ideal for individuals who prefer a stable surface. According to a review by Consumer Reports (2023), a firm mattress can help reduce back pain for those who are back or stomach sleepers.
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Support System: The support system refers to the innerspring or foam layers that provide overall stability. A robust support system promotes spine alignment. Research by the National Sleep Foundation (2022) identifies that a good support system helps reduce pressure points, leading to better sleep quality.
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Materials Used: The materials used in the construction of a mattress affect its feel and durability. Common materials include memory foam, latex, and high-density polyurethane foam. A study published in the Journal of Sleep Research (2023) found that latex mattresses had higher durability and lesser sagging compared to traditional memory foam, impacting long-term comfort.
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Durability: Durability is vital for an investment in a mattress. Extra firm mattresses constructed with high-quality materials can last 7 to 10 years or longer. Consumer Reports (2023) indicates that mattresses offering coils and high-density foams typically exhibit greater lifespan and retain firmness over time, reducing long-term costs.
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Temperature Regulation: Proper temperature regulation is essential for a comfortable sleep experience. Some extra firm mattresses incorporate cooling technologies like gel-infused foam or breathable covers. Research by Sleep Foundation (2023) indicates that maintaining a cooler sleeping environment can enhance sleep quality.
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Warranty and Trial Period: A good warranty and trial period allow customers to test the mattress risk-free. Many manufacturers offer warranties ranging from 10 to 20 years. According to the Better Sleep Council (2023), a trial period of at least 90 nights helps ensure customer satisfaction and allows for adjustments if necessary.
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Price Range: The price range for extra firm Cal King mattresses can vary significantly, affecting your options. Prices typically range from $800 to $3,000, depending on brand, materials, and features. A study by Sleep Advisor (2023) shows that while higher-priced models may offer better sleep quality, budget options can still provide adequate support and comfort.
Which Extra Firm Cal King Mattresses Are Most Highly Rated by Experts?
The most highly rated extra firm California King mattresses include brands like Saatva, Tempur-Pedic, Purple, and Stearns & Foster. These mattresses receive praise from experts for their support, durability, and sleep quality.
- Saatva Classic
- Tempur-Pedic TEMPUR-ProAdapt
- Purple Hybrid Premier
- Stearns & Foster Estate Collection
- Avocado Green Mattress
The opinions on these mattresses can vary based on individual preferences and needs. Some consumers prioritize specific features like material type or cooling technology. Understanding these attributes is essential for making an informed decision.
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Saatva Classic:
The Saatva Classic offers a dual coil-on-coil construction. This structure provides robust support and responsiveness. The mattress includes a plush pillow top for added comfort. Reviewers often cite its durability and comfortable sleep surface. A 2021 study by Sleep Like The Dead emphasizes the balance of comfort and support, making it suitable for various sleeping positions. -
Tempur-Pedic TEMPUR-ProAdapt:
The TEMPUR-ProAdapt utilizes TEMPUR material for pressure relief. This material conforms closely to the body’s shape, providing personalized support. Experts often highlight its motion isolation features. According to Consumer Reports (2022), it is especially beneficial for couples who experience disturbances during sleep. This mattress is also known for temperature regulation, which enhances overall sleep quality. -
Purple Hybrid Premier:
The Purple Hybrid Premier uses a hyper-elastic polymer grid on top of supportive coils. This design allows for excellent airflow while providing support. The innovative grid helps distribute weight evenly. Sleepopolis (2023) mentions that it is a preferred choice for hot sleepers due to its unique cooling properties. This mattress combines plush comfort with sturdy support, catering to a diverse range of preferences. -
Stearns & Foster Estate Collection:
The Stearns & Foster Estate Collection features luxury materials such as silk and cashmere. The mattress is designed for superior comfort and support, catering to individuals who desire a plush feel but need firm support. According to The Sleep Judge (2022), it stands out for its craftsmanship and responsiveness. It is often recommended for side sleepers needing pressure point relief. -
Avocado Green Mattress:
The Avocado Green Mattress is an eco-friendly option made from organic materials. It contains layers of natural latex and organic wool, promoting sustainability. This mattress provides firm support and is free from harmful chemicals. According to the Mattress Advisor (2023), it is ideal for environmentally conscious consumers seeking a healthy sleep environment. Its natural materials also cater to those with allergies or sensitivities.
How Do Customer Reviews Influence Your Choice of Extra Firm Cal King Mattresses?
Customer reviews significantly influence the choice of extra firm California King mattresses by providing insights into comfort, durability, and overall satisfaction from experience. Several key factors emerge from customer feedback:
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Comfort: Customers often share their experiences regarding the firmness level of a mattress. Reviews typically describe how an extra firm mattress supports different sleeping positions. According to a study conducted by the National Sleep Foundation (2019), 73% of respondents preferred firm mattresses for back support, which can lead to improved sleep quality.
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Durability: Reviewers frequently comment on the lifespan of their mattresses. High-quality extra firm options tend to receive positive remarks about maintaining comfort over time. A study by the Better Sleep Council (2020) indicated that mattresses with positive reviews regarding durability are likely to last longer than those with negative feedback.
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Health Benefits: Many customers write about health impacts, such as back pain relief or improved alignment. Research by the Journal of Chiropractic Medicine (2018) noted that individuals using firm mattresses report reducing chronic pain linked to poor sleeping surfaces, thus influencing potential buyers.
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Overall Satisfaction: Many reviews provide ratings that reflect overall satisfaction. Higher-rated mattresses often enjoy more attention, as shown in a survey by the Mattress Research Institute (2021), where products with ratings above 4 stars attracted 62% of customer purchases.
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Brand Trust: Trust in a brand can grow through positive reviews. Consumers often rely on feedback when making purchasing decisions. A study published in the Journal of Consumer Research (2020) found that 84% of shoppers trust online reviews as much as personal recommendations.
Customer reviews serve as a valuable resource for understanding how an extra firm California King mattress performs in real-life settings.
How Can You Maintain the Quality and Lifespan of Your Extra Firm Cal King Mattress?
To maintain the quality and lifespan of your extra firm Cal King mattress, follow consistent care practices that include proper cleaning, using a mattress protector, rotating the mattress, and ensuring adequate support.
Proper cleaning helps remove dust mites and allergens. Use a vacuum with an upholstery attachment once a month. You can spot clean stains with a mild soap and water solution. Allow the mattress to air out regularly to prevent moisture buildup. A study from the Journal of Environmental Health (Lee et al., 2018) suggests that regular cleaning reduces allergen accumulation.
Using a mattress protector prevents spills and stains. It acts as a barrier against liquid and bodily fluids. Protectors also guard against dust mites and allergens. A waterproof or hypoallergenic protector extends mattress life significantly.
Rotating the mattress every six months distributes body weight evenly. This practice prevents sagging and indentations. It also promotes even wear. Research in Sleep Health (Woolf et al., 2017) indicates that regularly rotated mattresses have prolonged comfort and durability.
Ensuring adequate support involves placing the mattress on a sturdy foundation or bed frame. This support prevents the mattress from sagging and maintains its structure. A box spring or platform bed with slats no wider than 3 inches is recommended.
By following these practices, you can effectively maintain the quality and lifespan of your extra firm Cal King mattress.
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