(;GM[1]FF[4]SZ[19]
GN[3-3 point enclosures]
PC[http://senseis.xmp.net/?33Point]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?33Point

3-3 point enclosures]
PL[B]

AB[cc]
LB[ec:c][fc:d][ed:a][fd:b]


;LB[ec:c][fc:d][ed:a][fd:b]
)
