C3123121111113313121111331333133313311211113323213331323223331331   >>    C312312111111331312111133133313331331121111332321333132322333133   <<    C3123121111113313121111331333133313311211113323213331323223331333   >>      C3123121111113313121111331333133313311211113323213331323223331332   >>