[0, 1, 2, -1, 4, 5, 6, 7, 8, 9, 10]
[0, 1, 2, -1, 4, 5, 6, 7, 8, 9, -8]
[0, 1, 2, -1, -2, 5, 6, 7, 8, 9, -8]
[0, 1, 2, -1, -2, 5, 6, 7, -6, 9, -8]
[0, 1, 2, -1, -2, 5, 6, 6, -6, 9, -8]
[0, 1, 2, -1, -2, 5, 2, 6, -6, 9, -8]
[0, 1, 1, -1, -2, 5, 2, 6, -2, 9, -8]
[0, 1, 1, -1, -2, 5, 2, 6, -1, 1, -8]
[0, 1, 1, -1, -2, 1, 2, 6, -1, 1, -8]
[0, 1, 1, -1, -1, 1, 2, 6, -1, 1, -8]
IMPOSSIBLE