21
500 210 40
0 0 2100
1010 210 2100
0 0 0
1000 200 2000
1000 200 2001
1000 201 2000
1001 200 2000
1000 0 0
0 200 0
0 0 2000
1001 0 0
0 201 0
40000 100000 100000
3045 1067 2000
3045 1067 98
1789 200 19873
1789 16 19873
989 645 13456
1000 645 13456
31000 48200 1534
