Types: N: int, F: int, X: List[List[int]]
Ranges: 1 ≤ N ≤ 8, -10^5 ≤ F ≤ 10^5, -10^5 ≤ X[i][j] ≤ 10^5 (1 ≤ i, j ≤ N)
Addtl Info: None