(;AW[qb]AW[qc]AW[qd]AB[pc]AB[pd]AW[pe]AW[pf]AB[oe]AB[me]AB[ne]AB[ld]AB[lc]AW[od]AW[nd]MA[pc]MA[pd]TR[od]TR[nd]C[Black to kill and survive]AP[goproblems]
(;B[ob];W[oc];B[pb];W[nb]
(;B[nc]C[Touche!RIGHT])
(;B[pa];W[qa])
(;B[oa];W[na])
(;B[na];W[pa])
(;B[md];W[nc]
(;B[na];W[pa])
(;B[mc];W[oa])
(;B[mb];W[oa])))
(;B[oc];W[nc]
(;B[nb];W[ob])
(;B[md];W[ob])
(;B[mc];W[ob])
(;B[pb];W[ob])
(;B[ob];W[nb]
(;B[oa];W[na]
(;B[pb];W[pa])
(;B[pa];W[qa]))
(;B[pb];W[oa];B[pa];W[qa])
(;B[pa];W[qa]
(;B[oa];W[na])
(;B[pb];W[oa])
(;B[na];W[ma]
(;B[pb];W[oa])
(;B[oa];W[pb]))))
(;B[pa];W[pb];B[ob];W[nb];B[oa];W[na])
(;B[oa];W[ob];B[pb];W[nb]
(;B[na];W[ma];B[pa];W[qa])
(;B[pa];W[na];B[qa];W[ra])))
(;B[pb];W[ob]
(;B[oc];W[nc])
(;B[pa];W[oa])))