C31232233133313221211113313331333133313331212111133133311331323333231   >>    C3123223313331322121111331333133313331333121211113313331133132333323   <<    C31232233133313221211113313331333133313331212111133133311331323333233   >>      C31232233133313221211113313331333133313331212111133133311331323333232   >>