B 4 c2

B 4 c2B 4 c2B 4 c2B 4 c2
B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2
B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2
B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2
B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2B 4 c2