(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?TwoSquares/Sandbox]AP[GoWiki:2009]
DT[2018-10-20]
C[Diagram from http://senseis.xmp.net/?TwoSquares/Sandbox

]
PL[W]

AB[aa][ca][bb][db][dc][dd][be]
AW[da][ea][eb][bc][ec][ed][de][ee][bf][cf]
LN[ab:cb][cb:cd][cd:ad][ad:ab]

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

;LN[ab:cb][cb:cd][cd:ad][ad:ab]
)
