(;AP[goproblems]AB[rs]AB[rr]AB[rq]AB[sq]AB[qq]AB[pq]AW[sp]AW[qp]AW[rp]AW[pp]AW[po]AW[qn]AW[rn]AB[rm]AB[qm]AB[pm]AB[pn]AB[on]AB[oo]AB[op]AW[oq]AW[pr]AW[qr]AW[nr]AW[np]C[Black to win](;B[ro];W[so];B[sm];W[qs];B[sn]C[RIGHT])(;B[qo];W[ro];B[sn];W[qs](;B[sm];W[sr])(;B[so];W[sm]))(;B[so];W[ro](;B[sm];W[sn])(;B[sn];W[sm];B[sl];W[qs];B[sn];W[sr]))(;B[sn];W[qs](;B[ro];W[sr])(;B[so];W[sr])(;B[qo];W[ro];B[sm];W[sr]))(;B[sm];W[qs])(;B[qs];W[ps](;B[so];W[ss])(;B[ro];W[ss])(;B[qo];W[ss]))(;B[ps];W[os];B[ro];W[qs](;B[so]C[RIGHT])(;B[sn];W[ss])(;B[qo];W[so])(;B[sm];W[sr])))