C31231211111133131211113313231333133313231333132313331333131133133313223311   >>    C3123121111113313121111331323133313331323133313231333133313113313331322331   <<    C31231211111133131211113313231333133313231333132313331333131133133313223313   >>      C31231211111133131211113313231333133313231333132313331333131133133313223312   >>