C1231321123223331211111131211113313331333132313332313232332212131223321   >>    C123132112322333121111113121111331333133313231333231323233221213122332   <<    C1231321123223331211111131211113313331333132313332313232332212131223323   >>      C1231321123223331211111131211113313331333132313332313232332212131223322   >>