C31232233133313221211113313331333133313331212111111331311331323213232222131   >>    C3123223313331322121111331333133313331333121211111133131133132321323222213   <<    C31232233133313221211113313331333133313331212111111331311331323213232222133   >>      C31232233133313221211113313331333133313331212111111331311331323213232222132   >>