C312312111111331312111133133313121111133313113313223331333132323213111   >>    C31231211111133131211113313331312111113331311331322333133313232321311   <<    C312312111111331312111133133313121111133313113313223331333132323213113   >>      C312312111111331312111133133313121111133313113313223331333132323213112   >>