C1231321123223331211111131211113313331333133313223223312232311213131   >>    C123132112322333121111113121111331333133313331322322331223231121313   <<    C1231321123223331211111131211113313331333133313223223312232311213133   >>      C1231321123223331211111131211113313331333133313223223312232311213132   >>