array([[10, 9, 8, 9, 10, 11, 10, 9], [6, 5, 4, 5, 6, 7, 6, 5], [2, 1, 0, 1,
    2, 3, 2, 1], [6, 5, 4, 5, 6, 7, 6, 5], [10, 9, 8, 9, 10, 11, 10, 9], [
    14, 13, 12, 13, 14, 15, 14, 13], [10, 9, 8, 9, 10, 11, 10, 9], [6, 5, 4,
    5, 6, 7, 6, 5]])
Slicing outside numpy array