(;GM[1]FF[4]SZ[19]
GN[Example 1, Difference Game (iia)]
PC[http://senseis.xmp.net/?DifferenceGame]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DifferenceGame

Example 1, Difference Game (iia)]
PL[W]

AB[ea][ka][ma][eb][kb][mb][ec][kc][mc][ed][kd][ee][ke][me][ef][kf][lf][mf]
AW[fa][ha][na][fb][hb][nb][fc][hc][nc][fd][hd][nd][he][ne][ff][gf][hf][nf]

;W[md]C[W1]MN[1]
;B[fe]C[B2]MN[2]
;W[ld]C[W3]MN[3]
;B[ge]C[B4]MN[4]
;W[lc]C[W5]MN[5]
;B[gd]C[B6]MN[6]
;W[lb]C[W7]MN[7]
;B[la]C[B8]MN[8]
;W[gc]C[W9]MN[9]

;
)
