(;GM[1]FF[4]SZ[19]
GN[Refutation]
PC[https://senseis.xmp.net/?GokyoShumyoSection1Problem52/Solution]AP[GoWiki:2009]
DT[2022-01-04]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection1Problem52/Solution

Refutation]
PL[W]

AB[dm][em][cn][en][ao][co][do][eo][fo][bp][dp][cq][ar][cr][bs]
AW[bl][cl][dl][el][am][cm][fm][bn][fn][bo][go][ap][fp][aq][dq][fq][br][dr]
LB[bq:a]

;W[as]C[W1]MN[1]
;B[cs]C[B2]MN[2]
;W[ds]C[W3]MN[3]

;LB[bq:a]
)
