0 [635350, 99359, 612245, 308607]
0 3
0 1
1 [635350, 99359, 612245, 308607]
1 2
1 0
2 [635350, 99359, 612245, 308607]
2 3
2 1
3 [635350, 99359, 612245, 308607]
3 2
0 [635350, 3, 308607]
0 2
0 1
1 [635350, 3, 308607]
1 2
1 0
2 [635350, 3, 308607]
2 3