anti-blanket (n.) - The only known pattern to break CPT symmetry. This pattern is used to test if a play was hacked or not, and can be found hidden in a surprising amount of maps. peppy, the creator of osu!, implemented this secretly in 2009. The pattern itself often disappears from maps due to an unfixable glitch, leading people to 1miss maps unnecessarily. Much of this is wrongly attributed to lack of skill or bad luck. Anti-blankets exist naturally in the Ω͏̣̲ø͖̀ˆ̰̖̞ dimension and can only be found roaming around in pastures there.