C222133313331333131123313231333133313331313113313331333132331322321   >>    C22213331333133313112331323133313331333131311331333133313233132232   <<    C222133313331333131123313231333133313331313113313331333132331322323   >>      C222133313331333131123313231333133313331313113313331333132331322322   >>