(;GM[1]FF[4]SZ[19]
GN[Variation at 6]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem52/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem52/Solution

Variation at 6]
PL[W]

AB[bm][dm][cn][en][ao][co][do][bp][cq]
AW[bl][cl][dl][el][cm][fm][bn][fn][bo][dq][fq][dr]
CR[ao]
LB[em:a][dp:d][aq:c][bq:b]

;W[br]C[W1]MN[1]
;B[fo]C[B2]MN[2]
;W[go]C[W3]MN[3]
;B[an]C[B4]MN[4]

;CR[ao]
LB[em:a][dp:d][aq:c][bq:b]
)
