[1, 2, 3, 4]
[2, 4, 1, 3]
[3, 1, 9, 2]
[4, 5, 12, 10]
[1, 2, 3, 4]
[0, 0, -5, -5]
[0, -5, 0, -10]
[0, -3, 0, -6]
[1, 2, 3, 4]
[0, -3, 0, -6]
[0, -5, 0, -10]
[0, 0, -5, -5]
[1, 2, 3, 4]
[0, -3, 0, -6]
[0, 0, 0, 0]
[0, 0, -5, -5]
[1, 2, 3, 4]
[0, -3, 0, -6]
[0, 0, -5, -5]
[0, 0, 0, 0]