C1231321123223331211111131211113313331333132322131213222122311131   >>    C123132112322333121111113121111331333133313232213121322212231113   <<    C1231321123223331211111131211113313331333132322131213222122311133   >>      C1231321123223331211111131211113313331333132322131213222122311132   >>