30
1
0 0 30
1
0 0 60
1
0 0 90
1
0 0 120
1
0 0 150
1
0 0 180
1
0 0 210
1
0 0 240
1
0 0 270
1
0 0 300
1
0 0 330
1
0 0 360
1
0 0 390
1
0 0 420
1
0 0 450
1
0 0 480
1
0 0 510
1
0 0 540
1
0 0 570
1
0 0 600
1
0 0 630
1
0 0 660
1
0 0 690
1
0 0 720
1
0 0 750
1
0 0 780
1
0 0 810
1
0 0 840
1
0 0 870
1
0 0 900