(;AB[pp]AB[pn]AB[qm]AB[rm]AB[sl]AB[pl]AB[ol]AB[pk]AB[pj]AB[qj]AW[qi]AW[rh]AW[rj]AW[rk]AW[rl]AW[ql]AW[qk]AW[pm]AW[om]AW[nq]C[Black to capture the cutting stones]AP[goproblems];B[nm];W[on];B[no]
(;W[po]
(;B[oo];W[qn];B[nn];W[pn];B[rn]C[RIGHT])
(;B[nn];W[oo];B[op];W[qo]))
(;W[oo];B[op];W[po];B[qo];W[qn];B[nn]C[RIGHT]))