class Solution:
    @staticmethod
    def good_matrix(matrix: [[]]) -> bool:
        row, col = len(matrix), len(matrix[0])
        for b in range(row):
            for a in range(b, col):
                if matrix[row - 1 - b][col - 1 - a] != matrix[b][a]:
                    return False
        return True

if __name__ == "__main__":
    S = Solution()
    A = [[1, 2, 3], [5, 4, 5], [3, 2, 1]]
    B = [[1, 2, 3], [5, 4, 5], [3, 2, 0]]
    C = [[1, 2, 3, 4], [4, 3, 2, 1]]
    E = [[1, 2, 3, 4, 6], [4, 3, 2, 1, 6]]
    D = [[]]
    assert (S.good_matrix(A) is True)
    assert (S.good_matrix(B) is False)
    assert (S.good_matrix(C) is True)
    assert (S.good_matrix(D) is True)
    assert (S.good_matrix(E) is False)