0 [25933, 931751, 549787, 947945, 435421]
0 4
0 1
1 [25933, 931751, 549787, 947945, 435421]
1 2
1 0
2 [25933, 931751, 549787, 947945, 435421]
2 3
2 1
3 [25933, 931751, 549787, 947945, 435421]
3 4
3 2
4 [25933, 931751, 549787, 947945, 435421]
4 3