(;C[Black to win]AW[qq]AW[qp]AW[qo]AW[pn]AW[on]AW[qm]AB[po]AB[oo]AB[pp]AB[pq]AW[or]AW[os]AW[mr]AW[lr]AW[ls]AB[ks]AB[kr]AB[kp]AB[lq]AB[mq]AB[mp]AB[mo]AW[nq]AW[np]AW[no]AB[nn]AB[mn]AB[pr]AB[ns]AP[goproblems] (;B[nr];W[ms] (;B[nr];W[qr] (;B[ps];W[qs];B[ns]C[RIGHT]) (;B[ns];W[mr];B[ps];W[ms]) (;B[oq];W[ns];B[ps]C[RIGHT])) (;B[ps];W[nr] (;B[qr];W[rr]) (;B[rr];W[qr];B[qs];W[rq];B[sr];W[rs])) (;B[oq];W[nr];B[ps];W[qr])) (;B[ps];W[nr];B[oq];W[qr];B[op];W[qs]) (;B[oq];W[nr];B[ps];W[qr];B[op];W[qs]) (;B[ms];W[nr];B[ps];W[qr]) (;B[qr];W[rr];B[nr];W[ms];B[nr] (;W[oq];B[ns];W[mr];B[ps];W[ms];B[nr];W[ns];B[lr];W[op]) (;W[qs];B[ns];W[oq])))