[[3, -1, 0, 0, 1, -1, 0, 1, 0, 0, 1, 0, -1, 1, 0, 0, -1], [-1, 3, -1, 0, 0, 1, -1, 0, 1, 0, 0, 1, 0, -1, 1, 0, 0], [0, -1, 3, -1, 0, 0, 1, -1, 0, 1, 0, 0, 1, 0, -1, 1, 0], [0, 0, -1, 3, -1, 0, 0, 1, -1, 0, 1, 0, 0, 1, 0, -1, 1], [1, 0, 0, -1, 3, -1, 0, 0, 1, -1, 0, 1, 0, 0, 1, 0, -1], [-1, 1, 0, 0, -1, 3, -1, 0, 0, 1, -1, 0, 1, 0, 0, 1, 0], [0, -1, 1, 0, 0, -1, 3, -1, 0, 0, 1, -1, 0, 1, 0, 0, 1], [1, 0, -1, 1, 0, 0, -1, 3, -1, 0, 0, 1, -1, 0, 1, 0, 0], [0, 1, 0, -1, 1, 0, 0, -1, 3, -1, 0, 0, 1, -1, 0, 1, 0], [0, 0, 1, 0, -1, 1, 0, 0, -1, 3, -1, 0, 0, 1, -1, 0, 1], [1, 0, 0, 1, 0, -1, 1, 0, 0, -1, 3, -1, 0, 0, 1, -1, 0], [0, 1, 0, 0, 1, 0, -1, 1, 0, 0, -1, 3, -1, 0, 0, 1, -1], [-1, 0, 1, 0, 0, 1, 0, -1, 1, 0, 0, -1, 3, -1, 0, 0, 1], [1, -1, 0, 1, 0, 0, 1, 0, -1, 1, 0, 0, -1, 3, -1, 0, 0], [0, 1, -1, 0, 1, 0, 0, 1, 0, -1, 1, 0, 0, -1, 3, -1, 0], [0, 0, 1, -1, 0, 1, 0, 0, 1, 0, -1, 1, 0, 0, -1, 3, -1], [-1, 0, 0, 1, -1, 0, 1, 0, 0, 1, 0, -1, 1, 0, 0, -1, 3]]