C222133313331333131123313231333133313331333133313331333133313113313331313121221   >>    C22213331333133313112331323133313331333133313331333133313331311331333131312122   <<    C222133313331333131123313231333133313331333133313331333133313113313331313121223   >>      C222133313331333131123313231333133313331333133313331333133313113313331313121222   >>