(;AW[lr]AB[or]AB[oq]AB[nq]AB[mr]AB[ns]AB[js]AB[jr]AB[jq]AB[kq]AB[lq]AW[kr]AW[mq]AW[mp]AW[np]AW[op]AW[pp]AW[pq]AW[ps]AW[pr]AW[qr]AW[rq]AW[rp]AB[qq]AB[qp]AB[qo]AB[qm]AB[po]AB[rr]AB[mn]AB[nn]AW[on]AB[om]AB[qk]AW[lp]AB[ko]AB[jo]C[Black to play.]AP[goproblems]
(;B[sr];W[rs]
(;B[ro];W[os]
(;B[nr];W[ms]
(;B[nr]
(;W[nq]C[CHOICE]
(;B[or];W[ks];B[mr]C[RIGHT])
(;B[ks];W[or])
(;B[mr]
(;W[or];B[ls];W[ns];B[mr]C[RIGHT])
(;W[ns];B[ls];W[or];B[mr]C[RIGHT])
(;W[ls];B[or]C[RIGHT])))
(;W[or]C[CHOICE]
(;B[nq];W[ks];B[mr]C[RIGHT])
(;B[ks];W[nq])
(;B[mr]
(;W[nq];B[ls];W[ns];B[mr]C[RIGHT])
(;W[ls];B[nq]C[RIGHT])))
(;W[mr];B[ks])
(;W[ks];B[mr]))
(;B[ks];W[nr]))
(;B[ks];W[nr]
(;B[ls];W[oq])
(;B[oq];W[ms]))
(;B[ls];W[nr]
(;B[ks];W[oq])
(;B[oq];W[ms])))
(;B[os];W[sq])
(;B[sp]C[NOTTHIS]))
(;B[os];W[rs]
(;B[sr];W[sq])
(;B[ro];W[sr]))
(;B[ro];W[os];B[nr];W[ms]
(;B[nr];W[mr];B[ks];W[sr]
(;B[rs];W[qs];B[sp];W[ss])
(;B[sp];W[rs]))
(;B[ks];W[nr]))
(;B[rs];W[os];B[nr];W[ms]
(;B[nr];W[mr];B[ks];W[sr];B[ro];W[qs];B[sp];W[ss])
(;B[ks];W[nr])))