C1231321123223331211111131211113313331333132313332323232231221333233111   >>    C123132112322333121111113121111331333133313231333232323223122133323311   <<    C1231321123223331211111131211113313331333132313332323232231221333233113   >>      C1231321123223331211111131211113313331333132313332323232231221333233112   >>