C1231321123223331211111131211113313331333132313332313232332221222331322331   >>    C123132112322333121111113121111331333133313231333231323233222122233132233   <<    C1231321123223331211111131211113313331333132313332313232332221222331322333   >>      C1231321123223331211111131211113313331333132313332313232332221222331322332   >>