C111123313331323113313331333133313331323123231333133313331322311231   >>    C11112331333132311331333133313331333132312323133313331333132231123   <<    C111123313331323113313331333133313331323123231333133313331322311233   >>      C111123313331323113313331333133313331323123231333133313331322311232   >>