C31232233133313221211113313331333133313331212111133133311233133313331323311331   >>    C3123223313331322121111331333133313331333121211113313331123313331333132331133   <<    C31232233133313221211113313331333133313331212111133133311233133313331323311333   >>      C31232233133313221211113313331333133313331212111133133311233133313331323311332   >>