C222133313331333131123313231333133313331311111211113313331322123123232311   >>    C22213331333133313112331323133313331333131111121111331333132212312323231   <<    C222133313331333131123313231333133313331311111211113313331322123123232313   >>      C222133313331333131123313231333133313331311111211113313331322123123232312   >>