C31232233133313221211113313331333133313331212111112111113113131   >>    C3123223313331322121111331333133313331333121211111211111311313   <<    C31232233133313221211113313331333133313331212111112111113113133   >>      C31232233133313221211113313331333133313331212111112111113113132   >>