(;AB[pa]AB[pb]AB[qb]AB[rb]AW[ra]AB[qc]AB[qd]AB[rc]AW[rd]AW[re]AW[qe]AB[pe]AB[oe]AW[pd]AW[pc]AW[od]AW[nd]AW[md]AB[oc]AB[nc]AB[mc]AW[mb]AW[nb]AW[ob]AW[oa]C[Black to play.]AW[qf]AP[goproblems]
(;B[sc]
(;W[lc];B[sa];W[sb]C[koRIGHT])
(;W[sd];B[lc]C[RIGHT])
(;W[sa];B[lc]C[RIGHT])
(;W[sb];B[lc]C[RIGHT]))
(;B[lc];W[sc]
(;B[qa];W[sb])
(;B[sa];W[sb])
(;B[sb];W[sd];B[lb];W[qa])
(;B[lb];W[sb]))
(;B[sb];W[lc])
(;B[sa];W[sc])
(;B[qa];W[lc])
(;B[sd];W[se]
(;B[sc];W[sa];B[lc];W[sb];B[qa];W[sa];B[lb];W[ra])
(;B[sb];W[lc])
(;B[sa];W[sb]
(;B[sc];W[qa])
(;B[qa];W[sc])
(;B[lc];W[sc]))
(;B[qa];W[lc]
(;B[sa];W[sc])
(;B[sc];W[sa]))
(;B[lc];W[sb]
(;B[sc];W[qa])
(;B[qa];W[sc])
(;B[lb];W[sc])))
(;B[lb];W[lc])
(;B[ld];W[lc])
(;B[ma];W[lc])
(;B[na];W[lc]))