C31231211111133131211113313331333133313332233132313331322133313122321311331   >>    C3123121111113313121111331333133313331333223313231333132213331312232131133   <<    C31231211111133131211113313331333133313332233132313331322133313122321311333   >>      C31231211111133131211113313331333133313332233132313331322133313122321311332   >>