符号付偶数交点数列 { 12, 16, 18, 20, 4, 22, 6, 8, -10, 14, 2 } 始点座標 { (5r,-90-30,0,0), (2r,-90-30,0,0) } 射影交点座標 { (r,-90-25,0,0), (r/2,0-5,0,0), (1.5r,90,0,0), (r/2,180+5,0,0), (r,90-25,0,0), (r,-90+25,0,0), (r,180,0,0), (r/2,90,…