(;AB[qb]AB[qc]AB[qd]AB[pc]AB[pe]AB[qf]AB[oe]AB[nd]AB[md]AB[mc]AB[lc]AB[mb]AW[pb]AW[oa]AW[oc]AW[nc]AW[od]AW[pd]AW[ne]AW[me]AW[le]AW[ld]AW[kc]AW[kb]AW[lb]C[Black to kill and survive]TR[nc]TR[oc]TR[od]TR[pd]MA[lc]MA[mc]MA[mb]MA[md]MA[nd]AP[goproblems] (;B[na];W[ob] (;B[qa]C[You survived!RIGHT]) (;B[pa];W[qa] (;B[nb];W[ma]) (;B[ma];W[la])) (;B[nb];W[ma]) (;B[ma];W[la])) (;B[nb];W[ob] (;B[pa];W[qa] (;B[na];W[ma]) (;B[ma];W[la])) (;B[na];W[ma]) (;B[ma];W[la]) (;B[qa];W[na] (;B[pa];W[ma]) (;B[ma];W[la]))) (;B[ob];W[nb] (;B[ma];W[na] (;B[la];W[ka]) (;B[pa];W[la])) (;B[pa];W[ma]) (;B[na];W[ma])) (;B[pa];W[qa];B[nb];W[ob] (;B[ma];W[la]) (;B[na];W[ma])) (;B[ma] (;W[nb] (;B[na];W[la]) (;B[la];W[ka]) (;B[pa];W[qa] (;B[na];W[la]) (;B[la];W[ka]))) (;W[la] (;B[nb];W[ob]) (;B[na];W[nb]) (;B[pa];W[qa] (;B[nb];W[ob]) (;B[na];W[nb]) (;B[ob];W[nb])))) (;B[la];W[nb] (;B[ma];W[ka]) (;B[na];W[ma]) (;B[pa];W[ma]) (;B[qa];W[ma])))