(;AB[qa]AB[rb]AB[rc]AB[rd]AB[qe]AB[pe]AB[oe]AB[ne]AB[me]AB[md]AB[lc]AB[lb]AB[jb]AW[pa]AW[pb]AW[qc]AW[pd]AW[od]AW[nd]AW[nc]AW[mb]AW[la]AP[goproblems]
(;B[ob]
(;W[oa]
(;B[qb]
(;W[ma]C[CHOICE];B[nb]
(;W[qd]
(;B[mc]C[RIGHT])
(;B[oc];W[mc]))
(;W[mc];B[qd]C[RIGHT]))
(;W[qd];B[na];W[pc];B[nb]C[RIGHT]))
(;B[qd];W[qb];B[na];W[ra];B[nb];W[oc])
(;B[oc];W[ma];B[nb];W[mc]))
(;W[qb]
(;B[oc];W[ma];B[oa];W[qd];B[nb]C[RIGHT])
(;B[oa];W[qd];B[oc]
(;W[nb];B[ma]C[RIGHT])
(;W[ma];B[nb]C[RIGHT]))))
(;B[qb];W[ob])
(;B[ma];W[na];B[ob];W[oc]))