C111123313331323113313331333133313331323123231333133313331333313231323131   >>    C11112331333132311331333133313331333132312323133313331333133331323132313   <<    C111123313331323113313331333133313331323123231333133313331333313231323133   >>      C111123313331323113313331333133313331323123231333133313331333313231323132   >>