9
0, 180, 140, 380, 0
0, 560, 220, 100, 1
220, 520, 140, 140, 2
160, 340, 180, 180, 2
160, 240, 260, 100, 1
340, 340, 120, 100, 1
460, 100, 70, 360, 2
120, 0, 420, 100, 3
0, 0, 140, 180, 0