Return an 8×8 integer tensor with a checkerboard of 0s and 1s (top-left is 0).

Output

tensor([[0, 1, 0,  ..., 1, 0, 1],
        [1, 0, 1,  ..., 0, 1, 0],
        [0, 1, 0,  ..., 1, 0, 1],
        ...,
        [1, 0, 1,  ..., 0, 1, 0],
        [0, 1, 0,  ..., 1, 0, 1],
        [1, 0, 1,  ..., 0, 1, 0]])