(;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[B]

AB[dm][cn][en][ao][co][do][fo][bp][cq][bs]
AW[bl][cl][dl][el][am][cm][fm][bn][fn][bo][go][aq][dq][fq][dr]

;B[em]C[B1]MN[1]
;W[fp]C[W2]MN[2]
;B[eo]C[B3]MN[3]
;W[cp]C[W4]MN[4]
;B[dp]C[B5]MN[5]
;W[ap]C[W6]MN[6]
;B[ar]C[B7]MN[7]
;W[br]C[W8]MN[8]
;B[cr]C[B9]MN[9]

;
)
