C31232233133313221211113313331333133313331212111113331313331121211   >>    C3123223313331322121111331333133313331333121211111333131333112121   <<    C31232233133313221211113313331333133313331212111113331313331121213   >>      C31232233133313221211113313331333133313331212111113331313331121212   >>