C31231211111133131211113313331333132233133313331312111133132313331333131223311   >>    C3123121111113313121111331333133313223313331333131211113313231333133313122331   <<    C31231211111133131211113313331333132233133313331312111133132313331333131223313   >>      C31231211111133131211113313331333132233133313331312111133132313331333131223312   >>