The rules that use the category "<up_to_two_digits>" are:

<time_point_name>

<h_hour> <offset_op> <up_to_two_digits>

<up_to_four_digits>

<up_to_two_digits>

<up_to_two_digits> <number>

<bomb_damage_score>

<up_to_two_digits> over one hundred

<bearing_number>

<up_to_two_digits>