(;GM[1]FF[4]SZ[19]
GN[Refutation]
PC[https://senseis.xmp.net/?XuanxuanQijingProblem150/Solution]AP[GoWiki:2009]
DT[2024-05-29]
C[Diagram from https://senseis.xmp.net/?XuanxuanQijingProblem150/Solution

Refutation]
PL[W]

AB[en][fn][gn][in][jn][co][do][cp][ep][fp][cq][fq][gq][hq][iq][jq][cr][er][kr]
AW[dl][cn][dn][hn][bo][eo][fo][go][io][bp][dp][gp][hp][kp][dq][eq][lq][ar][dr][fr][ds]

;W[jr]C[W1]MN[1]
;B[ks]C[B2]MN[2]
;W[js]C[W3]MN[3]

;
)
