C222133313331333131123313231333133313331311111211113313331312233122321   >>    C22213331333133313112331323133313331333131111121111331333131223312232   <<    C222133313331333131123313231333133313331311111211113313331312233122323   >>      C222133313331333131123313231333133313331311111211113313331312233122322   >>