C1231321123223331211111131211113313331333132313332323232212333223121   >>    C123132112322333121111113121111331333133313231333232323221233322312   <<    C1231321123223331211111131211113313331333132313332323232212333223123   >>      C1231321123223331211111131211113313331333132313332323232212333223122   >>