(;GM[1]FF[4]SZ[15:3]
GN[Pair and two singles (4)]
PC[http://senseis.xmp.net/?ConstructionProblem3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ConstructionProblem3/Solution

Pair and two singles (4)]
PL[W]

AW[ba][ea][ia][ka][ma][oa][bb][eb][gb][ib][mb][ac][cc][fc][kc][nc]


;
)
