Bn b 1 2 b 2

Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2
Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2
Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2Bn b 1 2 b 2