(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?posting=10465]AP[GoWiki:2009]
DT[2015-04-13]
C[Diagram from http://senseis.xmp.net/?posting=10465

]
PL[W]

AB[da][cb][db][bc][cc][ad][bd]
AW[ba][ea][bb][eb][ac][dc][ec][cd][ae][be][ce][ee]

;B[ab]C[B4]MN[4]

;
)
