(;AB[ra]AB[rb]AB[rc]AB[sd]AB[re]AB[qe]AB[qg]AB[pf]AB[of]AB[nf]AB[mf]AW[oe]AW[ne]AW[pe]AB[pd]AB[od]AW[qd]AW[qc]AW[rd]AW[qb]AW[pc]AW[oc]AW[nc]AW[mc]AB[ld]AB[lc]AB[mb]AB[ma]AB[kb]AW[oa]C[Black to kill.]AP[goproblems]
(;B[qa];W[pa];B[me];W[nd];B[ob];W[nb];B[na];W[pb])
(;B[me];W[nd]
(;B[qa];W[pa]
(;B[nb];W[ob])
(;B[ob];W[nb];B[na];W[pb]))
(;B[pa];W[qa]
(;B[ob];W[pb];B[nb]C[RIGHT])
(;B[na];W[ob]))
(;B[ob];W[nb]
(;B[na];W[pb];B[qa];W[pa])
(;B[qa];W[pa];B[na];W[pb])
(;B[pa];W[na]
(;B[qa];W[pb])
(;B[pb];W[qa])))
(;B[pb];W[pa])
(;B[nb];W[ob]))
(;B[pa];W[qa]
(;B[ob];W[pb]
(;B[na];W[nb])
(;B[nb]C[RIGHT]))
(;B[nb];W[ob]))
(;B[ob];W[nb];B[pa];W[pb];B[qa];W[na])
(;B[pb];W[pa])
(;B[nb];W[ob])
(;B[na];W[ob])
(;B[md];W[nd]
(;B[qa];W[pa])
(;B[pa];W[qa]
(;B[ob];W[pb];B[nb]C[RIGHT])
(;B[nb];W[ob])
(;B[na];W[ob]))
(;B[ob];W[nb];B[qa];W[pa];B[na];W[pb])
(;B[pb];W[pa])
(;B[nb];W[ob])))