(;AW[rb]AW[qb]AW[pb]AB[oc]AB[ne]AW[od]AW[pc]AB[pd]AB[pe]AB[oe]AW[nd]AB[md]AB[mc]AB[qc]AB[rc]AW[re]AB[rf]AB[qf]AW[qe]AW[qd]AB[rd]AW[sf]AW[rg]AB[lb]AB[kc]AW[qh]AW[oh]AB[oa]AB[sh]AW[ri]AP[goproblems]
(;W[sb]
(;B[se]C[CHOICE]
(;W[pa]
(;B[ob];W[ra]C[RIGHT])
(;B[ra]
(;W[nb];B[nc];W[ob]C[RIGHT])
(;W[ob];B[nb])))
(;W[nb];B[ob]
(;W[pa];B[nc];W[ra]C[RIGHT])
(;W[nc];B[na];W[pa];B[mb];W[ra]C[RIGHT]))
(;W[ra];B[pa]
(;W[ob];B[nb])
(;W[nb];B[ob];W[nc];B[na])
(;W[nc];B[nb]))
(;W[nc];B[nb])
(;W[ob];B[nb];W[pa];B[ra])
(;W[sd]C[NOTTHIS];B[sg];W[pa];B[ob];W[ra]C[RIGHT]))
(;B[ob];W[sd];B[se];W[re]C[RIGHT]))
(;W[nb];B[sb]
(;W[nc];B[ra]
(;W[qa];B[ob];W[sa];B[na];W[sc];B[se])
(;W[ob];B[na];W[ma];B[mb];W[pa];B[na])
(;W[na];B[ob];W[pa];B[ob]))
(;W[ra];B[nc]))
(;W[sc];B[se];W[pa];B[ob]
(;W[ra];B[sb])
(;W[sb];B[ra]))
(;W[se];B[sg];W[sb];B[ob])
(;W[sd]C[Blocked to reduce redundant variations.NOTTHIS];B[se]
(;W[sb];B[sg];W[pa];B[ob];W[ra]C[RIGHT])
(;W[re];B[sb])))