A 2 1 b 4 7

A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7
A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7
A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7
A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7
A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7A 2 1 b 4 7