C111123313331323113313331333133313331323112133313331333121233131   >>    C11112331333132311331333133313331333132311213331333133312123313   <<    C111123313331323113313331333133313331323112133313331333121233133   >>      C111123313331323113313331333133313331323112133313331333121233132   >>