C1231321123223331211111131211113313331333133313223223312232312133221   >>    C123132112322333121111113121111331333133313331322322331223231213322   <<    C1231321123223331211111131211113313331333133313223223312232312133223   >>      C1231321123223331211111131211113313331333133313223223312232312133222   >>