C1231321123223331211111131211113313331333133313223223312231321333113231   >>    C123132112322333121111113121111331333133313331322322331223132133311323   <<    C1231321123223331211111131211113313331333133313223223312231321333113233   >>      C1231321123223331211111131211113313331333133313223223312231321333113232   >>