C31232233133313221211113313331333133313331212111111213331323132232311   >>    C3123223313331322121111331333133313331333121211111121333132313223231   <<    C31232233133313221211113313331333133313331212111111213331323132232313   >>      C31232233133313221211113313331333133313331212111111213331323132232312   >>