0	0	20	20
0	0	-20	-20
45	45	20	20
0	0	-20	-20
45	45	20	20
0	0	-20	-20
45	45	20	20
0	0	-20	-20
45	45	20	20
0	0	-20	-20
45	45	20	20
0	0	-20	-20
45	45	20	20
0	0	-20	-20
45	45	20	20
0	0	-20	-20
45	45	0	0