(;C[Black to win]AB[rq]AB[sp]AB[sq]AB[qr]AB[pr]AB[pq]AB[or]AB[ps]AB[nq]AB[mr]AW[oq]AW[op]AW[pp]AW[qp]AW[qq]AW[rp]AW[so]AW[ro]AB[qo]AB[po]AB[oo]AB[no]AB[om]AB[pl]AB[pk]AB[qk]AB[rk]AB[rj]AB[sl]AB[rm]AW[sm]AW[rl]AW[ql]AW[qm]AW[qn]AP[goproblems]
(;B[sn];W[rn]
(;B[sm];W[sk]
(;B[sm];W[rr]
(;B[sr];W[ss]
(;B[sq];W[sl]
(;B[rs];W[qs]
(;B[sr]C[NiceRIGHT])
(;B[rq];W[sp];B[rs];W[sr]))
(;B[rq];W[sp])
(;B[qs];W[rq])
(;B[sr];W[rs]
(;B[rq];W[sp])
(;B[qs];W[rq])))
(;B[sl];W[sq];B[rs];W[sr])
(;B[rs]
(;W[sq]LB[sr:Ko?]C[CHOICE])
(;W[sr];B[sq]C[White can't play this]
(;W[rq];B[sl])
(;W[qs];B[sl]))))
(;B[rs];W[sr]
(;B[sq];W[sl])
(;B[sl];W[sq]))
(;B[sl];W[sr]
(;B[sq];W[rs])
(;B[rs];W[sq])))
(;B[rr];W[sm]))
(;B[rr];W[sm]))
(;B[rr];W[rn])
(;B[rs];W[rn])
(;B[rn];W[rr]
(;B[sn];W[sm])
(;B[rs];W[sr];B[sn];W[sm]))
(;B[sr];W[rn])
(;B[pn];W[rr]))