(;AB[pd]AB[pe]AB[pf]AB[qe]AB[qg]AB[qh]AB[ri]AB[rj]AB[rk]AB[sk]AB[pj]AB[ph]AB[nf]AB[me]AB[le]AW[ne]AW[md]AW[nc]AW[pb]AW[qc]AW[qd]AW[qf]AW[rf]AW[rh]AW[rg]AW[re]AW[sh]AW[si]AW[sj]AW[pg]AW[ld]AW[kc]AB[ke]C[Black to do something useful in the corner.]AP[goproblems]
(;B[ob];W[oc];B[pc];W[nb];B[qb];W[oa]
(;B[rb];W[rd]
(;B[sd];W[qa]
(;B[sf];W[ra]
(;B[sb];W[pa]
(;B[se];W[sa];B[sc]C[Cool! Seki.RIGHT])
(;B[rc];W[sa]))
(;B[se];W[sc])
(;B[sc];W[se])
(;B[rc];W[sb]))
(;B[sc])
(;B[rc])
(;B[se];W[sc]))
(;B[sc];W[qa]
(;B[ra];W[sd];B[sf];W[rc];B[pa];W[ob];B[se];W[sb])
(;B[sd];W[se]
(;B[ra];W[rc])
(;B[sf];W[ra];B[sb];W[pa]))))
(;B[rc];W[rd];B[rb];W[qa]
(;B[sd];W[ra]
(;B[se];W[sb])
(;B[sb];W[se];B[sf];W[sc]))
(;B[ra];W[sc];B[pa];W[ob];B[sb];W[sd];B[sf];W[qa])
(;B[sc];W[ra];B[sd];W[se]))
(;B[rd];W[rc]))
(;B[pc];W[ob])
(;B[qb];W[pc])
(;B[oc];W[ob])
(;B[rd];W[rc]))