C31232233133313221211113313331333133313331212111113331313311111   >>    C3123223313331322121111331333133313331333121211111333131331111   <<    C31232233133313221211113313331333133313331212111113331313311113   >>      C31232233133313221211113313331333133313331212111113331313311112   >>