7 0 1 b

7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b
7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b
7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b7 0 1 b