C313212111133131211331333133313331333133313231333133313331333133313221123323311   >>    C31321211113313121133133313331333133313331323133313331333133313331322112332331   <<    C313212111133131211331333133313331333133313231333133313331333133313221123323313   >>      C313212111133131211331333133313331333133313231333133313331333133313221123323312   >>