(;AB[rc]AB[qc]AB[pc]AB[pb]AB[pd]AB[pe]AB[qf]AB[qg]AB[rg]AW[qe]AW[qd]AW[rd]AW[rf]AW[sc]AW[rb]AW[qb]AW[pa]AW[ob]AW[nc]AW[ne]AW[of]AW[pf]AB[lc]C[Black to save the 6 stone group.]AP[goproblems]
(;B[se];W[sd]
(;B[sb];W[sa]
(;B[qa]
(;W[ra];B[sf];W[sb];B[re];W[oa];B[qa]C[RIGHT])
(;W[oc];B[oa];W[od];B[na];W[mb];B[sf];W[oe];B[pa];W[ma];B[re]C[RIGHT]))
(;B[sf];W[qa];B[re];W[sb]))
(;B[qa];W[sb]
(;B[oa];W[na]
(;B[pa];W[oc];B[sf];W[od];B[re];W[oe])
(;B[sf];W[pa]))
(;B[ra]
(;W[oa];B[sf];W[sa];B[re];W[qa])
(;W[sa];B[qa];W[ra];B[sf];W[qa];B[re];W[oa])))
(;B[oc];W[nb];B[sb];W[sa]
(;B[qa]
(;W[oa];B[sf];W[od])
(;W[od];B[oa];W[oe]))
(;B[sf];W[od])))
(;B[oc];W[nb];B[se];W[od])
(;B[sf];W[sb];B[se];W[sd]
(;B[re];W[qa])
(;B[qa];W[ra];B[re];W[qa]))
(;B[sb];W[se]C[ko. not good.])
(;B[qa];W[sb];B[oa];W[na];B[se];W[sd];B[sf];W[pa]C[Ko. ])
(;B[ra];W[sb]))