>>> from calculate_numbers import calculate_numbers
>>> calculate_numbers(1, 5)
[(1, (1, 0, 0, 0)), (2, (1, 1, 0, 0)), (3, (1, 1, 1, 0)), (4, (2, 0, 0, 0))]
>>> calculate_numbers(666, 667)
[(666, (21, 15, 0, 0))]