(;GM[1]FF[4]SZ[19]
GN[Abstract pattern (2)]
PC[http://senseis.xmp.net/?ShapeProblem4/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ShapeProblem4/Discussion

Abstract pattern (2)]
PL[B]

AB[dd][fd][ce]
AW[ic][lc][cf][ef]
CR[ce]
SQ[fd]


;CR[ce]
SQ[fd]
)
