C222133313331333131123313231333133313331333133313331333133313113313331322321331   >>    C22213331333133313112331323133313331333133313331333133313331311331333132232133   <<    C222133313331333131123313231333133313331333133313331333133313113313331322321333   >>      C222133313331333131123313231333133313331333133313331333133313113313331322321332   >>