(;GM[1]FF[4]SZ[11:3]
GN[all singles (3)]
PC[http://senseis.xmp.net/?ConstructionProblem3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ConstructionProblem3/Solution

all singles (3)]
PL[W]

AW[aa][ea][ga][ja][bb][ib][kb][ac][cc][ec][gc][jc]


;
)
