2
7
1 3 3 3 4 4 5
8
1 0 3 -11 4 19 20 5
11
1 1 2 2 3 3 4 5 6 6 6
9
1 13 22 44 2 3 4 5 6
(1 0)(0 -1)(3 3)(0 -1)(2 4)(0 -1)(0 -1)(1 6)
1 3 4 5
(2 0)(0 -1)(0 -1)(0 -1)(2 2)(2 4)(1 6)(1 7)(3 10)
1 2 3 4 5 6