(;AW[pa][pb][sb][pc][pd][qe][pf][rf][rg][sg]AB[qa][qb][qc][rc][qd][sd][re][se][sf]LB[sb:1]C[white plays at 1. how to respond?]
(;B[rb]CR[rb]C[RIGHT
white is dead])
(;B[sc]CR[sc]
;W[ra]CR[ra]C[seki: black can't kill white now])
(;B[ra]CR[ra]
;W[sc]CR[sc]C[black dies.])
(;B[sa]CR[sa]
;W[ra]CR[ra]
(;B[rb]CR[rb]C[RIGHT])
(;B[sc]CR[sc]C[seki]))
(;B[rd]CR[rd]
;W[ra]CR[ra]C[black is dead (white did not even need to play that last move)]))