   tiles:	1
 x-edges:	2
 y-edges:	2
vertices:	4
    area:	1
perimeter:	4
 eulerchi:	1

   tiles:	5
 x-edges:	10
 y-edges:	10
vertices:	16
    area:	5
perimeter:	20
 eulerchi:	1

   tiles:	56
 x-edges:	112
 y-edges:	112
vertices:	224
    area:	56
perimeter:	224
 eulerchi:	56
