[0, 1, 2, 3, 4, -3, 6, 7, 8, 9, 10] [0, 1, 2, 3, 4, -3, 6, 7, 8, 9, -8] [0, 1, 2, 3, 4, -3, 6, 7, 8, 8, -8] [0, 1, 2, 3, 4, -3, 6, 7, -1, 8, -8] [0, 1, 2, 3, -1, -3, 6, 7, -1, 8, -8] [0, 1, 2, 3, -1, -3, 6, -1, -1, 8, 1] [0, 1, 2, 3, -1, -3, 1, -1, -1, 8, 1] [0, 1, 2, -1, -1, -3, 1, -1, -1, 8, 1] [0, 1, 2, -1, -1, 1, 1, -1, -1, 8, 1] IMPOSSIBLE