C1231321123223331211111131211113313331333133313223223312223331321   >>    C123132112322333121111113121111331333133313331322322331222333132   <<    C1231321123223331211111131211113313331333133313223223312223331323   >>      C1231321123223331211111131211113313331333133313223223312223331322   >>