(;AB[rc][rd][re][qd][pd][od][oe][ne][nf][rg][sg]AW[rb][qc][pc][oc][nc][md][me][mf][mg][nh][oh][ph][qh][rh][of][pe][qe]C[Black to live]SZ[19]
(;B[pg]
(;W[og]C[CHOICE]
(;B[pf];W[qg];B[qf]C[RIGHT])
(;B[qf];W[pf]
(;B[sc];W[se]
(;B[sf];W[qg])
(;B[qg];W[sf]))
(;B[qg];W[sc];B[sd];W[sf])))
(;W[pf]C[CHOICE]
(;B[og];W[qg];B[qf]C[RIGHT])
(;B[qf];W[og]
(;B[sc];W[se];B[qg];W[sf])
(;B[qg];W[sc];B[sd];W[sf])
(;B[qg];W[sc];B[sf];W[sd])))
(;W[qf]C[CHOICE];B[qg];W[og]
(;B[pf]C[RIGHT])
(;B[rf];W[pf]
(;B[sc];W[se])
(;B[se];W[sc]))))
(;B[og];W[pg]
(;B[pf];W[qf];B[qg];W[of]C[Ko])
(;B[qf];W[pf]
(;B[sc];W[se]
(;B[sf];W[qg])
(;B[qg];W[sf]))
(;B[qg];W[sc]
(;B[sd];W[sf])
(;B[sf];W[sd]
(;B[sb];W[sa];B[se];W[qb];B[sb];W[sc])
(;B[qb];W[pb];B[sb];W[sa];B[se];W[qa];B[sb];W[sc])))))
(;B[pf];W[qf]
(;B[og];W[qg]
(;B[rf];W[sc])
(;B[ng];W[pg];B[rf];W[sc]))
(;B[pg];W[qg]
(;B[rf];W[og];B[sc];W[se])
(;B[og];W[ng];B[sc];W[rf]))
(;B[qg];W[pg])
(;B[rf];W[pg];B[sc];W[se]))
(;B[qf];W[pf]
(;B[sc];W[se];B[sf];W[qg])
(;B[se];W[sc]))
(;B[qg];W[pf];B[qf];W[sc];B[sd];W[sf]))