data_single_category_looped_lists
loop_
_first_looped_category_item_1
_first_looped_category_item_2
1 2
loop_
_second_looped_category_item_1
_second_looped_category_item_2
3 4

data_mixed_category_looped_list
loop_
_first_looped_category_item_1
_first_looped_category_item_2
_second_looped_category_item_1
_second_looped_category_item_2
1 2 3 4
