C1231321123223331211111131211113313331333133313223223312223132233331   >>    C123132112322333121111113121111331333133313331322322331222313223333   <<    C1231321123223331211111131211113313331333133313223223312223132233333   >>      C1231321123223331211111131211113313331333133313223223312223132233332   >>