1
1900
6 160 0 4000 160 0 -4000 -160 0 -4000 -160 0 4000 0 0 4000 0 0 -4000 
1
  58 4 1 2 3 0 
3000
4 160 0 4000 160 0 -4000 -160 0 -4000 -160 0 4000 
1
  58 4 1 2 3 0 
15000
2 0 0 -4000 0 0 4000 
1
  58 2 0 1 

15000 0
