(;AW[ma]AW[mb]AW[mc]AW[oc]AW[qc]AW[od]AW[qd]AW[qb]AW[rb]AW[ra]AB[la]AB[lb]AB[lc]AB[ld]AB[md]AB[nd]AB[oe]AB[pe]AB[qe]AB[rd]AB[rc]AB[sb]AB[na]C[B to kill]AP[goproblems]
(;B[ob]
(;W[nc]
(;B[pd];W[pc];B[pa]C[Good jobRIGHT])
(;B[pa];W[pd];B[pb]C[this is a seki. B can Kill.CHOICE]))
(;W[pb];B[pa];W[pd];B[nc]C[good jobRIGHT]))
(;B[pd];W[ob];B[nc];W[nb];B[pa];W[oa]C[W livesCHOICE])
(;B[nc];W[ob];B[nb];W[pa]C[sure you get 3 stones, but the main chunk on W stones is aliveCHOICE])
(;B[pa];W[ob];B[oa];W[pd]
(;B[pb];W[nc]C[:( w livesCHOICE])
(;B[nc];W[nb];B[pb];W[qa]C[W lives :(CHOICE])))