C222133313331333131123313231333133313331313113313331333132213222321   >>    C22213331333133313112331323133313331333131311331333133313221322232   <<    C222133313331333131123313231333133313331313113313331333132213222323   >>      C222133313331333131123313231333133313331313113313331333132213222322   >>