0 [709, 840, 291, 122, 511]
0 4
0 1
1 [709, 840, 291, 122, 511]
1 2
1 0
2 [709, 840, 291, 122, 511]
2 3
2 1
3 [709, 840, 291, 122, 511]
3 4
3 2
4 [709, 840, 291, 122, 511]
4 3
0 [709, 840, 5, 511]
0 3
0 1
1 [709, 840, 5, 511]
1 2
1 0
2 [709, 840, 5, 511]
2 3
2 1
3 [709, 840, 5, 511]
3 4