def test_field_number_to_field_index_01():

    assert field_number_to_field_index(1) == 2
    assert field_number_to_field_index(2) == 3
    assert field_number_to_field_index(3) == 4
    assert field_number_to_field_index(4) == 5
    assert field_number_to_field_index(5) == 6
    assert field_number_to_field_index(6) == 7
    assert field_number_to_field_index(7) == 0
    assert field_number_to_field_index(8) == 1
def test_field_number_to_field_index_02():

    assert field_number_to_field_index(9) == 2
    assert field_number_to_field_index(10) == 3
    assert field_number_to_field_index(11) == 4
    assert field_number_to_field_index(12) == 5
    assert field_number_to_field_index(13) == 6
    assert field_number_to_field_index(14) == 7
    assert field_number_to_field_index(15) == 0
    assert field_number_to_field_index(16) == 1