C31232233133313221211113313331333133313331212111133133311331311212323221   >>    C3123223313331322121111331333133313331333121211113313331133131121232322   <<    C31232233133313221211113313331333133313331212111133133311331311212323223   >>      C31232233133313221211113313331333133313331212111133133311331311212323222   >>