(;GM[1]FF[4]SZ[9]
GN[Diagram 2 variation]
PC[http://senseis.xmp.net/?AlexanderYoshiGoProblem1/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?AlexanderYoshiGoProblem1/Solution

Diagram 2 variation]
PL[W]

AB[ba][bb][ac][bc][cc][ec][fc][cd][hd][be][ce][he][cf][df][gf][hf][eg][fg][dh][fh][gh][bi][ei]
AW[da][cb][eb][dc][hc][ad][dd][fd][ae][de][ee][ge][bf][ef][ff][ag][bg][cg][dg][gg][ah][ch][ci]

;W[ic]C[W1]MN[1]
;B[gc]C[B2]MN[2]
;W[gd]C[W3]MN[3]
;B[ed]C[B4]MN[4]

;
)
