(;GM[1]FF[4]SZ[19]
GN[Refutation]
PC[http://senseis.xmp.net/?GokyoSeimyoVolume3Problem4/Attempts]AP[GoWiki:2009]
DT[2009-07-29]
C[Diagram from http://senseis.xmp.net/?GokyoSeimyoVolume3Problem4/Attempts

Refutation]
PL[W]

AB[ap][bp][cq][eq][fq][br][dr][fr][gr]
AW[ao][bo][co][cp][dp][ep][fp][gp][dq][gq][iq][er][hr]

;W[bs]C[W1]MN[1]
;B[bq]C[B2]MN[2]
;W[cr]C[W3]MN[3]
;B[es]C[B4]MN[4]

;
)
