21  20  1  2  1
2.00E+05  100  833
1  2  1
2  3  1
3  4  1
4  5  1
5  6  1
6  7  1
7  8  1
8  9  1
9  10  1
10  11  1
11  12  1
12  13  1
13  14  1
14  15  1
15  16  1
16  17  1
17  18  1
18  19  1
19  20  1
20  21  1
0  0
0  100
0  200
0  300
0  400
0  500
0  600
0  700
0  800
0  900
0  1000
100  1000
200  1000
300  1000
400  1000
500  1000
600  1000
700  1000
800  1000
900  1000
1000  1000
 1 1 1 0
21 1 1 0
13  0  -100  0