Tar.in/out
Tar.in
Tar.out
3 2 1 1 3 6 4 6 3 1 -1 2 -2 3 -3 4 -4 2 1 1 3 6 4 6 3 1 1 2 2 3 3 4 4 2 1 1 3 3 4 6 3 1 -1 2 -2 3 -3 4 -4
17 -1 11