1
2000
4 0 0 800 0 0 -800 0 40 800 0 40 -800 
2
  4a 4 1 3 2 0 
  4a 4 0 2 3 1 
6000
4 0 0 800 0 0 -800 0 40 800 0 40 -800 
2
  4a 4 1 3 2 0 
  4a 4 0 2 3 1 
25000
2 0 0 800 0 0 -800 
1
  4a 2 1 0 

30000 34
