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