(;FF[4]GM[1]SZ[19]PL[B]AB[ob][oc][od][pd][qd][re][rf][sb][sc][sd][sf]AW[nb][nc][nd][ne][oa][of][pb][pc][qc][qe][qf][qg][rg](;B[ra](;W[rb]C[CHOICE](;B[qa];W[pa];B[rc]C[RIGHT])(;B[rc];W[qa];B[qb]))(;W[rc];B[rb];W[rd];B[pa]C[RIGHT]))(;B[qa];W[ra];B[rb];W[qb])(;B[qb];W[ra];B[rc];W[pa]))