0 [969, 240, 870, 378, 531]
0 4
0 1
1 [969, 240, 870, 378, 531]
1 2
1 0
2 [969, 240, 870, 378, 531]
2 3
2 1
3 [969, 240, 870, 378, 531]
3 4
3 2
4 [969, 240, 870, 378, 531]
4 3
0 [969, 240, 870, 7]
0 3
0 1
1 [969, 240, 870, 7]
1 2
1 0
2 [969, 240, 870, 7]
2 3
2 1
3 [969, 240, 870, 7]
3 4