C313212111133131211331333133313331333133313231333133313331333133313221212111211   >>    C31321211113313121133133313331333133313331323133313331333133313331322121211121   <<    C313212111133131211331333133313331333133313231333133313331333133313221212111213   >>      C313212111133131211331333133313331333133313231333133313331333133313221212111212   >>