C1231321123223331211111131211113313331333133313223223312232131332321   >>    C123132112322333121111113121111331333133313331322322331223213133232   <<    C1231321123223331211111131211113313331333133313223223312232131332323   >>      C1231321123223331211111131211113313331333133313223223312232131332322   >>