C111123313331323113313331333133313331323133113313331333133313222223132323131   >>    C11112331333132311331333133313331333132313311331333133313331322222313232313   <<    C111123313331323113313331333133313331323133113313331333133313222223132323133   >>      C111123313331323113313331333133313331323133113313331333133313222223132323132   >>