(;GM[1]FF[4]SZ[19]
GN[What white had in mind]
PC[http://senseis.xmp.net/?ShapeProblem6/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ShapeProblem6/Discussion

What white had in mind]
PL[W]

AB[db][eb][dc][fc][bd][cd][be][bf][cf][bg][ch]
AW[cb][fb][cc][ec][dd][ce][de][ee][df][cg]

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

;
)
