(;GM[1]FF[4]SZ[19]
GN[White to play]
PC[http://senseis.xmp.net/?ShapeProblem6/NetVariation]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ShapeProblem6/NetVariation

White to play]
PL[B]

AB[db][eb][gb][dc][ec][fc][bd][cd][ed][fd][be][bf][cf][bg][ch]
AW[da][ea][fa][cb][fb][cc][gc][dd][ce][de][ee][he][df][cg]
CR[he]

;B[ga]C[B1]MN[1]
;W[ca]C[W2]MN[2]
;B[gd]C[B3]MN[3]
;W[hc]C[W4]MN[4]
;B[hd]C[B5]MN[5]
;W[id]C[W6]MN[6]
;B[ic]C[B7]MN[7]
;W[hb]C[W8]MN[8]
;B[ie]C[B9]MN[9]

;CR[he]
)
