(;AW[sb]AW[rb]AW[ra]AW[pb]AW[pc]AW[nb]AW[na]AB[ma]AB[mb]AB[mc]AB[nc]AB[oc]AB[pd]AB[qd]AB[rd]AB[rc]C[B to kill]AP[goproblems]
(;B[pa]
(;W[qa]
(;B[qc];W[ob];B[qb];W[oa]TR[pa]C[Good! this is false now :)RIGHT])
(;B[oa];W[ob];B[qc];W[qb]C[w LIVESCHOICE])
(;B[ob]C[RIGHT]))
(;W[qb];B[ob]C[Good. W is dead. Even if W plays R19, you can tenuki because of a snapbackRIGHT]))
(;B[ob];W[pa];B[oa];W[qc]C[You only get 2 stones. You can kill all of W stonesCHOICE])
(;B[qb];W[qc]
(;B[ob];W[pa];B[oa];W[qa]C[W lives]))
(;B[oa];W[ob];B[qb];W[pa]C[W livesCHOICE])
(;B[qa];W[pa]C[W lives easyCHOICE])
(;B[qc];W[qb];B[pa];W[ob]C[W lives easy.]))