(;AB[oa]AB[qa]AW[na]AW[nb]AW[nc]AW[oc]AW[pc]AW[qc]AW[rc]AW[sc]AB[ma]AB[mb]AB[mc]AB[md]AB[nd]AB[od]AB[pd]AB[qd]AB[sd]AB[rd]C[White to play. No kos, no sekis, please.]AP[goproblems]
(;W[ra]
(;B[rb]
(;W[qb]
(;B[sa]
(;W[sb];B[ra]
(;W[pa]C[RIGHT])
(;W[ob];B[pb]))
(;W[pa];B[pb])
(;W[pb];B[pa])
(;W[ob];B[pa]))
(;B[pb];W[sb]C[RIGHT])
(;B[pa];W[sb]C[RIGHT]))
(;W[sb]
(;B[qb]
(;W[ob];B[sa]
(;W[pa]C[CHOICERIGHT])
(;W[pb];B[pa]))
(;W[pb];B[sa])
(;W[pa];B[pb])
(;W[sa];B[pb]))
(;B[sa]
(;W[qb]
(;B[ra]
(;W[pa]C[CHOICERIGHT])
(;W[ob];B[pb]))
(;B[pb];W[ra]C[RIGHT])
(;B[pa];W[ra]C[RIGHT]))
(;W[pb];B[pa])
(;W[ob];B[pa])
(;W[pa];B[pb]
(;W[ra];B[qb])
(;W[ob];B[qb])
(;W[qb];B[ob]))))
(;W[pb];B[pa]
(;W[sb];B[sa])
(;W[qb];B[sa])
(;W[ob];B[sa])
(;W[sa];B[sb]))
(;W[ob];B[pa]
(;W[sb];B[sa])
(;W[qb];B[sa])
(;W[pb];B[sa])
(;W[sa];B[sb]))
(;W[pa];B[pb]
(;W[qb];B[sa])
(;W[sb];B[qb])
(;W[ob];B[qb]
(;W[sb];B[sa])
(;W[pa];B[sa])
(;W[sa];B[sb])))
(;W[sa];B[sb]
(;W[qb];B[ra])
(;W[pa];B[pb])
(;W[ob];B[pa])))
(;B[qb];W[rb]C[RIGHT]))
(;W[qb];B[ra]
(;W[pa];B[pb];W[ob];B[pa])
(;W[pb];B[pa])
(;W[ob];B[pa]))
(;W[rb];B[ra]
(;W[ob];B[pa])
(;W[pb];B[pa])
(;W[pa];B[pb];W[ob];B[pa]))
(;W[pb];B[pa]
(;W[rb];B[ra])
(;W[ra];B[rb]
(;W[sb];B[sa])
(;W[qb];B[sa])
(;W[ob];B[sa]))
(;W[qb];B[rb])
(;W[ob];B[rb])
(;W[sb];B[ra]))
(;W[ob];B[pa]
(;W[rb];B[ra])
(;W[ra];B[rb]
(;W[sb];B[sa])
(;W[qb];B[sa])
(;W[pb];B[sa])
(;W[sa];B[sb]))
(;W[qb];B[rb])
(;W[pb];B[rb])
(;W[sb];B[ra])
(;W[sa];B[ra]))
(;W[pa];B[pb]
(;W[qb];B[rb]
(;W[sb];B[ra])
(;W[ra];B[sa])
(;W[ob];B[sb])
(;W[sa];B[ra]))
(;W[ob];B[qb])
(;W[rb];B[ra];W[ob];B[pa])
(;W[sb];B[ra];W[ob];B[pa])
(;W[ra];B[rb]
(;W[sb];B[qb])
(;W[qb];B[sa])
(;W[sa];B[sb])
(;W[ob];B[qb]
(;W[pa];B[sa])
(;W[sb];B[sa])))
(;W[sa];B[ra]))
(;W[sb];B[ra]
(;W[pb];B[pa])
(;W[ob];B[pa])
(;W[qb];B[pa])
(;W[pa];B[pb];W[ob];B[pa]))
(;W[sa];B[ra]
(;W[pb];B[pa])
(;W[ob];B[pa])))