(;GM[1]FF[4]CA[UTF-8]
SZ[19]RU[Japanese]KM[0]TM[1800,0,30,5]PW[]PB[]AE[ca]AW[aa][ab][ac][bc][cc][dc][db][da][cd][ce][de]AB[be][bd][ad][cf][df][bg][ee][ed][ec]AW[ef]AB[eb][ea]AW[fb][fc]AB[gd][gc][gb][fd]AE[gf]AW[fa]AE[ff]AW[fe][ge][fg][hd][hc][hb][jb]AB[bb][cb]C[can black win the semeai, or is seki best?]
(;B[ha]CR[ha]
;W[ia]CR[ia]
(;B[ba]CR[ba]C[RIGHT
white plays elsewhere: seki])
(;B[ca]CR[ca]C[RIGHT
white plays elsewhere: seki])
(;B[ga]CR[ga]
;W[fb]CR[fb]))
(;B[ga]CR[ga]
;W[fb]CR[fb]
(;B[dd]CR[dd]
;W[ha]CR[ha]
(;B[ca]CR[ca]
;W[ba]CR[ba]
;B[cb]CR[cb]
;W[fc]CR[fc]
;B[fa]CR[fa]
;W[fb]CR[fb])
(;B[ba]CR[ba]
;W[ca]CR[ca]
;B[bb]CR[bb]
;W[fc]CR[fc]))
(;B[ca]CR[ca]
;W[ha]CR[ha])
(;B[ba]CR[ba]
;W[ha]CR[ha]))
(;B[dd]CR[dd]
;W[ga]CR[ga])
(;B[ca]CR[ca]
;W[ha]CR[ha]
;B[ga]CR[ga]
;W[fb]CR[fb])
(;B[ba]CR[ba]
;W[ha]CR[ha]
;B[ga]CR[ga]
;W[fb]CR[fb])
(;B[ia]CR[ia]
;W[ha]CR[ha]))