C313212111133131211331333133313331333133313231333133313331333133313113322122331   >>    C31321211113313121133133313331333133313331323133313331333133313331311332212233   <<    C313212111133131211331333133313331333133313231333133313331333133313113322122333   >>      C313212111133131211331333133313331333133313231333133313331333133313113322122332   >>