C111123313331323113313331333133313331323133113313331333131313231   >>    C11112331333132311331333133313331333132313311331333133313131323   <<    C111123313331323113313331333133313331323133113313331333131313233   >>      C111123313331323113313331333133313331323133113313331333131313232   >>