C222133313331333131123313231333133313331333133313331333133313121111113311211121   >>    C22213331333133313112331323133313331333133313331333133313331312111111331121112   <<    C222133313331333131123313231333133313331333133313331333133313121111113311211123   >>      C222133313331333131123313231333133313331333133313331333133313121111113311211122   >>