(;AB[pa]AB[qb]AB[qc]AB[pd]AB[pe]AB[of]AB[nf]AB[mf]AB[le]AB[ld]AB[lc]AB[lb]AW[md]AW[ne]AW[oe]AW[nc]AW[oc]AW[pc]AW[pb]AB[ob]AW[nb]C[White to live.]AB[la]AB[rg]AP[goproblems]
(;W[od];B[oa]
(;W[qa];B[ra];W[na];B[qa];W[qd];B[qe];W[rd];B[rc])
(;W[na];B[qa];W[qd];B[rd];W[qe];B[pf];W[re];B[rc];W[sb];B[rf]))
(;W[oa];B[od];W[qa];B[qd])
(;W[ra];B[qa];W[qd];B[rd]
(;W[od];B[oa];W[qe];B[pf];W[re];B[rc]C[The white stones are captured.]TR[qe]TR[qd]TR[re])
(;W[oa];B[od]
(;W[rc];B[qe])
(;W[qe];B[qf])))
(;W[qd]
(;B[qe];W[rd];B[rc]
(;W[re]C[NOTTHIS])
(;W[sb];B[sd]
(;W[ra];B[qa];W[od];B[oa])
(;W[od];B[oa])
(;W[oa];B[od];W[qa];B[rb]))
(;W[ra]
(;B[od]C[CHOICE]
(;W[qa];B[sb]
(;W[sd];B[re])
(;W[oa];B[re]))
(;W[sb];B[sd];W[qa];B[re];W[rb]C[RIGHT]))
(;B[qa];W[oa];B[re];W[od]C[RIGHT]))
(;W[oa];B[od])
(;W[od];B[oa];W[ra];B[qa]))
(;B[rd]
(;W[qe];B[pf]
(;W[ra];B[od]
(;W[re]
(;B[sc]
(;W[sb]
(;B[qa];W[oa]C[RIGHT])
(;B[rb];W[oa]C[RIGHT]))
(;W[qa];B[rb];W[oa];B[rf];W[sb]C[RIGHT])
(;W[rb];B[rc]
(;W[qa];B[sb];W[oa];B[rf])
(;W[oa];B[sb];W[se];B[rf])))
(;B[rb];W[sd];B[rc];W[sb];B[qa];W[se];B[sa];W[sc]C[RIGHT])
(;B[rc]C[CHOICE];W[sb]
(;B[rb];W[sd];B[qa];W[se];B[sa];W[sc]C[RIGHT])
(;B[qa];W[sd]C[RIGHT])
(;B[rf];W[sd];B[qf];W[qa];B[se];W[rb]C[RIGHT])))
(;W[qa];B[rb]
(;W[oa];B[re])
(;W[sb];B[sa])))
(;W[re];B[sc]
(;W[ra];B[rb])
(;W[rb];B[ra])))
(;W[od];B[oa]
(;W[qe];B[pf];W[re];B[rc];W[ra];B[qa])
(;W[na];B[qa];W[qe];B[pf];W[re];B[rc];W[sb];B[rf]))))
(;W[pf];B[re]))