C1231321123223331211111131211113313331333132313332323232222122313231   >>    C123132112322333121111113121111331333133313231333232323222212231323   <<    C1231321123223331211111131211113313331333132313332323232222122313233   >>      C1231321123223331211111131211113313331333132313332323232222122313232   >>