C313212111133131211331333133313331333133313231333133313331333133313232232133311   >>    C31321211113313121133133313331333133313331323133313331333133313331323223213331   <<    C313212111133131211331333133313331333133313231333133313331333133313232232133313   >>      C313212111133131211331333133313331333133313231333133313331333133313232232133312   >>