C222133313331333131123313231333133313331333131123313231333133323133313121211   >>    C22213331333133313112331323133313331333133313112331323133313332313331312121   <<    C222133313331333131123313231333133313331333131123313231333133323133313121213   >>      C222133313331333131123313231333133313331333131123313231333133323133313121212   >>