Another wonderful problem from the Booklet "TsumeGo Magicland". Please comment.
(;AB[rb]AB[qc]AB[qd]AB[pd]AB[qf]AB[oe]AB[ne]AB[me]AB[ld]AB[kd]AB[kc]AB[kb]AB[la]AB[ma]C[Black to kill (beware of the famous antisuji !!)]AW[lb]AW[lc]AW[md]AW[nd]AW[od]AW[oc]AW[nb]AW[pc]AW[pb]AP[goproblems]
(;B[oa];W[na]
(;B[pa];W[qb]
(;B[qa];W[ra]
(;B[sa];W[ob]
(;B[mb];W[ra]
(;B[mc]
(;W[rc];B[qa]C[RIGHT])
(;W[sb]
(;B[rc]C[RIGHT])
(;B[qa];W[rc]C[Uuuups])))
(;B[rc];W[mc])
(;B[qa];W[mc]LB[ka:A]LB[pa:B]))
(;B[ra];W[rc])
(;B[mc];W[ra]
(;B[mb]
(;W[rc];B[qa]C[RIGHT])
(;W[sb]
(;B[rc]C[RIGHT])
(;B[qa];W[rc]C[Uuuups])))
(;B[qa]C[RIGHT])))
(;B[mc];W[mb];B[sa];W[ka]LB[la:A]LB[ob:B]C[White is alive since A and B are Miai])
(;B[mb];W[mc]LB[ka:A]LB[ob:B]))
(;B[mc];W[mb];B[qa];W[ra];B[sa];W[ka]LB[la:A]LB[ob:B]C[White is alive since A and B are Miai])
(;B[mb];W[mc]LB[ka:A]LB[qa:B]))
(;B[mb];W[mc])
(;B[mc];W[mb];B[pa];W[qb];B[qa];W[ra];B[sa];W[ka]LB[la:A]LB[ob:B]C[White is alive since A and B are Miai]))
(;B[mb];W[mc]
(;B[oa];W[na])
(;B[na];W[oa])
(;B[pa];W[oa]))
(;B[mc];W[mb]
(;B[oa];W[na];B[pa];W[qb];B[qa];W[ra];B[sa];W[ka]LB[la:A]LB[ob:B]C[White is alive since A and B are Miai])
(;B[na];W[oa])
(;B[pa];W[oa]))
(;B[na];W[oa])
(;B[qa];W[oa]LB[ob:1]LB[nc:2])
(;B[ob];W[oa])
(;B[nc];W[oa]))
