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