(;AB[rd]AB[re]AB[rg]AB[rh]AB[qg]AB[qf]AB[qd]AB[pd]AB[od]AB[oc]AB[qc]AB[pb]AW[ri]AW[qi]AW[rk]AW[qh]AW[pg]AW[oh]AW[pf]AW[pe]AW[qe]AW[rc]AW[rb]AW[qb]AW[qa]AW[pa]AW[oa]AW[ne]AW[nd]AW[nc]AW[nb]AW[na]C[happened in a game, W to play]AP[goproblems]
(;W[sf];B[ob];W[sh];B[rf];W[sg];B[se];W[si]C[RIGHT])
(;W[ob];B[sf];W[sh];B[sd])
(;W[sh];B[sf]
(;W[ob];B[sd])
(;W[sd];B[ob];W[si];B[sg]))
(;W[sd];B[sf];W[ob];B[sh]C[]))