(;GM[1]FF[4]SZ[19]
GN[W7 at W3]
PC[http://senseis.xmp.net/?GokyoSeimyoVolume3Problem37/Solution]AP[GoWiki:2009]
DT[2009-07-07]
C[Diagram from http://senseis.xmp.net/?GokyoSeimyoVolume3Problem37/Solution

W7 at W3]
PL[W]

AB[na][mb][ob][rb][sb][jc][mc][oc][pc][qc][kd][ld]
AW[nb][lc][nc][rc][sc][md][nd][od][pd][qd][rd][sd][re]
CR[lc]

;W[lb]C[W1]MN[1]
;B[oa]C[B2]MN[2]
;W[ma]C[W3]MN[3]
;W[ma]C[W7]MN[7]

;CR[lc]
)
