splinecurves2d
2

24
-3	-3	1
3	-3	1
3	3	1
-3	3	1

0.25	-0.5	20
0.3	-0.5	20
0.3	-0.45	20
0.3	0.45	20
0.3	0.5	20
0.25	0.5	20
0.2	0.5	20
0.2	0.45	20
0.2	-0.45	20
0.2	-0.5	20

-0.25	-0.5	20
-0.2	-0.5	20
-0.2	-0.45	20
-0.2	0.45	20
-0.2	0.5	20
-0.25	0.5	20
-0.3	0.5	20
-0.3	0.45	20
-0.3	-0.45	20
-0.3	-0.5	20


16
1	0	2	1	2	1  -bc=1
1	0	2	2	3	1  -bc=1
1	0	2	3	4	1  -bc=1
1	0	2	4	1	1  -bc=1

0	1	3	5	6	7	1  -bc=2
0	1	2	7	8		1  -bc=2
0	1	3	8	9	10	1  -bc=2
0	1	3	10	11	12	1  -bc=2
0	1	2	12	13		1  -bc=2
0	1	3	13	14	5	1  -bc=2

0	1	3	15	16	17	1  -bc=3
0	1	2	17	18		1  -bc=3
0	1	3	18	19	20	1  -bc=3
0	1	3	20	21	22	1  -bc=3
0	1	2	22	23		1  -bc=3
0	1	3	23	24	15	1  -bc=3