C313212111133131211331333133313331333133313231333133313331333133313332123312131   >>    C31321211113313121133133313331333133313331323133313331333133313331333212331213   <<    C313212111133131211331333133313331333133313231333133313331333133313332123312133   >>      C313212111133131211331333133313331333133313231333133313331333133313332123312132   >>