C1231321123223331211111131211113313331333132313332323232231231131   >>    C123132112322333121111113121111331333133313231333232323223123113   <<    C1231321123223331211111131211113313331333132313332323232231231133   >>      C1231321123223331211111131211113313331333132313332323232231231132   >>