Thread:Kolyash25/@comment-39815821-20190930053350/@comment-36949827-20191002042531

But 1 = step squad, 3 = step squad, 6 = step squad, 10 = step squad, 15 = step squad, 21 = step squad, 28 = step squad, 36 = step squad, 45 = step squad, 55 = step squad, 66 = step squad, 78 = step squad, and so on.