C1231321123223331211111131211113313331333132313332313232332222332231   >>    C123132112322333121111113121111331333133313231333231323233222233223   <<    C1231321123223331211111131211113313331333132313332313232332222332233   >>      C1231321123223331211111131211113313331333132313332313232332222332232   >>