C111123313331323113313331333133313331323133113313331333133323311321   >>    C11112331333132311331333133313331333132313311331333133313332331132   <<    C111123313331323113313331333133313331323133113313331333133323311323   >>      C111123313331323113313331333133313331323133113313331333133323311322   >>