(;AP[goproblems]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](;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]))(;B[oo];W[nn](;B[mn];W[no](;B[np];W[mo];B[lo];W[mp])(;B[mo];W[np]))(;B[no];W[mn]))(;B[nn];W[oo]))(;B[on];W[nm])(;B[nn];W[nm]))