C313212111133131211331333133313331333133313331322133313331333133313113313123321   >>    C31321211113313121133133313331333133313331333132213331333133313331311331312332   <<    C313212111133131211331333133313331333133313331322133313331333133313113313123323   >>      C313212111133131211331333133313331333133313331322133313331333133313113313123322   >>