(;AB[ra]AB[qa]AB[qb]AB[qc]AB[sc]AB[rd]AB[pd]AB[od]AB[nd]AB[mc]AB[mb]AW[qd]AW[qe]AW[re]AW[rb]AW[sb]AW[nb]AW[oc]AW[pb]AW[pc]AW[ma]AW[lb]AW[kc]AP[goproblems]
(;B[nc]
(;W[na]
(;B[ob];W[oa];B[pa];W[ob];B[la]C[RIGHT])
(;B[pa];W[ob];B[oa];W[la])
(;B[oa];W[la]))
(;W[ob];B[na];W[oa];B[pa];W[na];B[la]C[RIGHT])
(;W[pa];B[oa]C[RIGHT]))
(;B[ob];W[nc];B[oa];W[na])
(;B[na];W[oa]
(;B[nc];W[pa])
(;B[pa];W[nc]))
(;B[pa];W[nc]
(;B[oa];W[na];B[ob];W[la])
(;B[na];W[oa]))
(;B[oa];W[na]
(;B[nc];W[ob];B[pa];W[la])
(;B[pa];W[nc];B[ob];W[la])))