(;AB[qa]AB[ra]AB[rb]AB[rc]AB[qc]AB[pd]AB[od]AB[nd]AB[md]AB[mb]AW[pa]AW[pb]AW[qb]AW[pc]AW[oc]AW[nb]AW[lb]AW[lc]AW[ld]AW[le]AW[jc]AW[qd]AW[qe]AW[pf]TR[oc]TR[pc]TR[pb]TR[qb]TR[pa]C[Black to kill]AP[goproblems]
(;B[oa]
(;W[nc]
(;B[mc];W[ma]
(;B[na]C[Solved!RIGHT])
(;B[la]C[NOTTHIS])
(;B[ob];W[na]))
(;B[ma];W[mc])
(;B[ob];W[mc])
(;B[na];W[mc])
(;B[la];W[mc]))
(;W[ma]
(;B[nc];W[mc];B[ob]C[RIGHT])
(;B[mc];W[na];B[nc];W[ob];B[la];W[ka])))
(;B[ob];W[oa]
(;B[nc];W[mc]
(;B[ma];W[rd])
(;B[na];W[ma]))
(;B[mc];W[ma])
(;B[na];W[mc]
(;B[nc];W[ma])
(;B[ma];W[rd])
(;B[la];W[rd]))
(;B[ma];W[mc]
(;B[nc];W[rd])
(;B[na];W[rd])
(;B[la];W[ka]))
(;B[la];W[ka]
(;B[mc];W[ma])
(;B[ma];W[mc])
(;B[na];W[mc])))
(;B[nc];W[oa]
(;B[mc];W[ma])
(;B[na];W[ma])
(;B[ma];W[mc]
(;B[na];W[la])
(;B[la];W[ka]))
(;B[la];W[ka]
(;B[ma];W[mc])
(;B[mc];W[ma])
(;B[na];W[ma])))
(;B[mc];W[ma]
(;B[oa];W[na];B[nc];W[ob];B[la];W[ka])
(;B[nc];W[oa])
(;B[ob];W[oa])
(;B[na];W[oa]))
(;B[na];W[oa]
(;B[nc];W[ma])
(;B[mc];W[ma])
(;B[ma];W[mc]))
(;B[ma];W[mc]
(;B[nc];W[oa]
(;B[na];W[la])
(;B[la];W[ka]))
(;B[oa];W[nc])
(;B[ob];W[nc])
(;B[na];W[nc])))