C313212111133131211331333133313331333133313231333133313331333133313211231213321   >>    C31321211113313121133133313331333133313331323133313331333133313331321123121332   <<    C313212111133131211331333133313331333133313231333133313331333133313211231213323   >>      C313212111133131211331333133313331333133313231333133313331333133313211231213322   >>