C313212111133131211331333133313331333133313331323331333132213232311   >>    C31321211113313121133133313331333133313331333132333133313221323231   <<    C313212111133131211331333133313331333133313331323331333132213232313   >>      C313212111133131211331333133313331333133313331323331333132213232312   >>