C312312111111331312111133133313331211111333133313331333133313331333132223223311   >>    C31231211111133131211113313331333121111133313331333133313331333133313222322331   <<    C312312111111331312111133133313331211111333133313331333133313331333132223223313   >>      C312312111111331312111133133313331211111333133313331333133313331333132223223312   >>