(;AW[rb]AW[ra]AB[qb]AB[pb]AW[qc]AW[pc]AW[oc]AW[ob]AB[oa]AB[na]AB[nb]AB[nc]AB[od]AB[pd]AW[qd]AW[qe]AW[qf]AB[pe]AB[pf]AB[qg]AB[qh]AB[nd]AB[rf]AB[sh]AP[goproblems]
(;B[sd];W[sc]
(;B[sb]
(;W[sa]
(;B[re];W[pa]
(;B[rc];W[qa]
(;B[rd]C[CHOICERIGHT])
(;B[sb];W[rd]))
(;B[rd];W[rc]))
(;B[rd];W[re];B[se];W[rc]
(;B[sf];W[pa])
(;B[pa];W[sf]))
(;B[se];W[pa])
(;B[pa];W[se]))
(;W[rd]C[Ko, black takes first. Best for both.RIGHT]))
(;B[re];W[pa];B[rc];W[qa];B[sb];W[rd]
(;B[qb]C[];W[sc]C[White takes first.])
(;B[sc];W[sa];B[se];W[rg]))
(;B[pa];W[se])
(;B[se];W[pa]))
(;B[re];W[pa]
(;B[rc];W[qa]
(;B[sb];W[rd];B[sd];W[sa])
(;B[rd];W[sb]))
(;B[sb];W[sc]
(;B[sd];W[rc])
(;B[rd];W[rc])))
(;B[pa];W[sd]
(;B[sc];W[re]
(;B[rc];W[sb])
(;B[sb];W[rc]))
(;B[re];W[rd])
(;B[sb];W[sc]
(;B[re];W[rd])
(;B[se];W[rd])))
(;B[se];W[pa];B[sb];W[sc])
(;B[rd];W[rc]
(;B[pa];W[re])
(;B[re];W[pa]))
(;B[sc];W[sb]
(;B[pa];W[sd];B[rd];W[re];B[se];W[rc])
(;B[se];W[pa])
(;B[re];W[pa])
(;B[rd];W[pa])
(;B[sd];W[pa]))
(;B[rc];W[rd])
(;B[sb];W[sd]
(;B[re];W[rd]
(;B[sc];W[pa])
(;B[pa];W[sc]))
(;B[sc];W[re]
(;B[rc];W[pa])
(;B[pa];W[rc]))
(;B[rc];W[rd]
(;B[sc];W[pa])
(;B[pa];W[sc]))
(;B[rd];W[re])))