DrawTrSurf_BSplineCurve
7 1 1  2 6 4  8 5 1  1 8 13.6602540378444 1  0.5 0.500000000000001 9.33012701892219 1  1 -7 5 1  0.5 0.499999999999998 0.669872981077808 1  1 7.99999999999999 -3.66025403784439 1  0.5
 0 2 2.0943951023932 2 4.18879020478639 2 6.28318530717959 2

0