B h 2 c

B h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 cB h 2 c