(;GM[1]FF[4]SZ[19]
GN[Refuted]
PC[https://senseis.xmp.net/?GokyoShumyoSection5Problem12/Solution]AP[GoWiki:2009]
DT[2022-12-27]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection5Problem12/Solution

Refuted]
PL[W]

AB[ba][ga][bb][hb][kb][cc][fc][gc][hc][ic][jc][kc][cd][fd][de][ee]
AW[ea][ha][ka][cb][db][fb][gb][ib][jb][lb][ec][lc][ed][kd][fe][ge][ie]
LB[je:a]

;W[ca]C[W1]MN[1]
;B[ia]C[B2]MN[2]
;W[dc]C[W3]MN[3]

;LB[je:a]
)
