C222133313331333131123313231333133313331333132213311232313123121   >>    C22213331333133313112331323133313331333133313221331123231312312   <<    C222133313331333131123313231333133313331333132213311232313123123   >>      C222133313331333131123313231333133313331333132213311232313123122   >>