C111123313331323113313331333133313331323133113313331333223331311   >>    C11112331333132311331333133313331333132313311331333133322333131   <<    C111123313331323113313331333133313331323133113313331333223331313   >>      C111123313331323113313331333133313331323133113313331333223331312   >>