2
6
21
1
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-2.827433	-0.927051
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-1.884956	-2.853170
-1.570796	-3.000000
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-0.942478	-2.427051
-0.628319	-1.763356
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0.000000	0.000000
0.314159	0.927051
0.628319	1.763356
0.942478	2.427051
1.256637	2.853170
1.570796	3.000000
1.884956	2.853170
2.199115	2.427051
2.513274	1.763356
2.827433	0.927051
3.141593	0.000000