Previous Paper:
{% if prev_paper_number %}
{{ prev_paper_number }}
{% else %}
N/A
{% endif %}
{% if prev_paper_first_page_index is not None %}
{{ prev_paper_first_page_info }}
{% else %}
No previous paper found in scan order.
{% endif %}
Extra Page (Index: {{ extra_page_index }})
Next Paper:
{% if next_paper_number %}
{{ next_paper_number }}
{% else %}
N/A
{% endif %}
{% if next_paper_first_page_index is not None %}
{{ next_paper_first_page_info }}
{% else %}
No next paper found in scan order.
{% endif %}