C1231321123223331211111131211113313331333132313331333222133121222331121211   >>    C123132112322333121111113121111331333133313231333133322213312122233112121   <<    C1231321123223331211111131211113313331333132313331333222133121222331121213   >>      C1231321123223331211111131211113313331333132313331333222133121222331121212   >>