b26 b34 b33 b32 b31 b30 b25 b27 b28 b29 b20 b21 b22 b23 b24 b19 b18 b17 b16 b15 b10 b11 b12 b13 b14 b9 b8 b7 b6 b5 b2 b3 b4
