-10/3
2 1 2 3 1 4 2 4 6 2 4 2 6 10 12 2 1 4 7 11
1 -1 2 1 -1 2 -1 1 2 0 -1 1 2 3 1 0 1 -1 2 2
1 2 -1 2 1 1 1 3 2
1 2 2 7 1 2 1 5 2 4 -3 0
1 2 -1 2 1 1 3 3 0 -1 1 -2
1 2 3 2 3 0 0 -1 -6
1 0 1 -2 1 0 2 -1 1
1 2 3 4
1 0 4 2 1 4 3 3 2
1 1 4 2 1 4 4 3 2
1 1 1 2 1 1 3 2 2
1 2 4 4 0 3 2 -2 1
4 0 8 4 3 1 4 3 0 1 -2 5 0 0 3 0
4 0 8 4 3 1 4 3 0 1 -2 5 0 0 3 0
1 2 -1 2 1 1 1 3 2
1 0 1 -2 1 0 2 -1 1
2 3 0 1 0 1 5 0 1 0 0 4 0 7 2 0
1 2 3 4 5 6 7 8 9