(;AW[pa]AW[ob]AW[oc]AW[pc]AW[rc]AW[pd]AW[qe]AW[re]AW[se]AB[na]AB[oa]AB[nb]AB[qb]AB[nc]AB[nd]AB[od]AB[pe]AB[pf]AB[qf]AB[rf]AB[sf]C[Black to play]
(;B[rb];W[pb]
(;B[sc]
(;W[qd]
(;B[sd];W[ra]
(;B[sb];W[qa]
(;B[qc]C[RIGHT])
(;B[rd]C[RIGHT]))
(;B[qa];W[sb];B[sa]C[RIGHT]))
(;B[sb];W[sd]
(;B[qa];W[ra]C[Seki])
(;B[ra];W[qc]C[Seki])
(;B[qc]C[];W[qa]C[Two Step Ko.]))
(;B[qa];W[sd]
(;B[sb];W[ra]C[Seki])
(;B[sa];W[sb]C[Ko.])
(;B[qc];W[sb])))
(;W[qc]
(;B[rd];W[ra]
(;B[sd];W[sb]C[Direct ko.])
(;B[sb];W[qa];B[sd];W[qd];B[sa]C[ CHOICERIGHT]))
(;B[sb];W[rd];B[qa];W[ra]C[Seki.])
(;B[qa];W[rd];B[sb];W[ra]C[Seki.])))
(;B[qc];W[qd]
(;B[sc];W[sd];B[sb];W[qa]C[Two step ko.])
(;B[sb];W[sd];B[sc];W[qa]C[Two step ko.])))
(;B[qc];W[qd]
(;B[rb];W[sb]C[]
(;B[pb];W[ra]C[White lives big.])
(;B[qa];W[pb]C[White lives.])
(;B[sc];W[sd];B[pb];W[ra]C[White lives big.]))
(;B[pb];W[rb]C[]
(;B[qa];W[ra]C[White lives.])
(;B[sd];W[qa]C[White lives.])))
(;B[pb];W[rb]
(;B[qa];W[ra]C[]
(;B[rd];W[qc]C[White lives.])
(;B[qc];W[qd]C[White lives.]))
(;B[qc];W[qd];B[qa];W[ra]C[White lives.])
(;B[ra];W[qc];B[qa];W[sb]C[White lives.]))
(;B[qd];W[qc]
(;B[rb];W[pb]
(;B[sb];W[sc];B[rd];W[sd]C[White lives.])
(;B[sc];W[ra]C[]
(;B[sb];W[qa];B[sd];W[rd]C[White lives.])
(;B[sd];W[rd];B[sb];W[qa]C[White lives.])
(;B[rd];W[sd]C[White lives.])))
(;B[pb];W[rb];B[qa];W[ra]C[White lives.]))
(;B[qa];W[qc]
(;B[pb];W[rb]
(;B[ra];W[sb]C[White lives])
(;B[sc];W[ra]C[White lives.]))
(;B[rb];W[pb];B[sc];W[rd]C[Seki.];B[sb];W[ra]C[Seki.])))
Miljoo