C31232233133313221211113313331333133313331212111111331311331333121221   >>    C3123223313331322121111331333133313331333121211111133131133133312122   <<    C31232233133313221211113313331333133313331212111111331311331333121223   >>      C31232233133313221211113313331333133313331212111111331311331333121222   >>