(;AB[qs]AB[qr]AB[pr]AB[or]AB[oq]AB[op]AB[pp]AB[qp]AB[ro]AB[qn]AB[ql]AB[qk]AW[qj]AW[pk]AW[pl]AW[qo]AW[po]AW[oo]AW[no]AW[np]AW[nq]AW[nr]AW[ns]AW[os]AW[ps]AB[rm]AW[rn]AW[rp]AW[om]AW[qi]AP[goproblems]
(;B[sn];W[rq]
(;B[rs]
(;W[rr];B[qq]C[CHOICERIGHT])
(;W[qq];B[sr]C[CHOICERIGHT])
(;W[sr];B[qq]C[RIGHT]))
(;B[qq];W[rs]
(;B[rr];W[sr]C[Ko.])
(;B[sp];W[rr])
(;B[sq];W[rr])
(;B[sr];W[rr])
(;B[ss];W[rr]))
(;B[rr];W[sr]
(;B[qq];W[rs]C[Ko.])
(;B[sp];W[qq])
(;B[rs];W[qq]))
(;B[sr];W[rr]
(;B[rs];W[sq]C[Ko.])
(;B[qq];W[rs]))
(;B[ss];W[rr])
(;B[sp];W[rr];B[rs];W[sq]C[Seki or ko.])
(;B[sq];W[rr]))
(;B[rq];W[so])
(;B[so];W[rq]
(;B[qq]
(;W[rs];B[rr];W[sr]C[Ko])
(;W[rr];B[rs];W[sp];B[sn];W[sr]C[Seki.])
(;W[sp];B[sn];W[rr];B[rs];W[sr]C[Seki.])
(;W[sr]
(;B[rr];W[rs]C[Ko.])
(;B[rs];W[sp];B[sn];W[rr]C[Seki])))
(;B[rr];W[sr];B[qq];W[rs]C[Ko.])
(;B[rs];W[qq]
(;B[rr]
(;W[sr];B[sp]C[Seki.])
(;W[sp];B[sn];W[sr]C[Seki.]))
(;B[sr];W[sp];B[sn];W[rr]C[Seki.]))
(;B[sr];W[rr];B[rs];W[sq]C[Ko.])))