C1231321123223331211111131211113313331333133313223223312232213111311321   >>    C123132112322333121111113121111331333133313331322322331223221311131132   <<    C1231321123223331211111131211113313331333133313223223312232213111311323   >>      C1231321123223331211111131211113313331333133313223223312232213111311322   >>