C31232233133313221211113313331333133313331212111111331311331323331211   >>    C3123223313331322121111331333133313331333121211111133131133132333121   <<    C31232233133313221211113313331333133313331212111111331311331323331213   >>      C31232233133313221211113313331333133313331212111111331311331323331212   >>