# A squate

4 2 0 1				# nnodes, dim, nattrib, nmarkers
0	0.0	0.0	2	# nodeno, x, y
1	1.0	0.0	2
2	1.0	1.0	2
3	0.0	1.0	2

4 1				# nedeges, nmarkers
0	0	1	2	# edgeno, node1, node2
1	1	2	2
2	2	3	2
3	3	0	2

0				# nholes