(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem120/Solution]AP[GoWiki:2009]
DT[2023-02-05]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem120/Solution

Ko]
PL[B]

AB[ja][jb][jc][ed][fd][gd][jd][be][ce][de][he][je][hf][if]
AW[ca][ka][bb][db][kb][hc][kc][bd][cd][hd][id][kd][ie][ke][jf][kf]
TR[ca]

;B[gc]C[B1]MN[1]
;W[hb]C[W2]MN[2]
;B[ha]C[B3]MN[3]
;W[ga]C[W4]MN[4]
;B[ib]C[B5]MN[5]

;TR[ca]
)
