(;FF[4]GM[1]SZ[19]AB[ob][oc][oe][of][pd][pf][qd][qf][ra][rc][rd][re]AW[nb][nc][nd][ne][nf][ng][od][og][pg][qg][rg][sb][sc][sd][se][sf](;W[qb]C[CHOICE];B[rb](;W[pa]C[CHOICE];B[oa];W[pc]C[RIGHT])(;W[pb];B[pc];W[oa];B[pa])(;W[oa];B[pa];W[pc];B[na];W[pb];B[oa]))(;W[pa];B[qb];W[pb];B[pc])(;W[pb];B[pa];W[pc];B[oa]))