C111123313331323113313331333133313331323123231333133313231333132331333131   >>    C11112331333132311331333133313331333132312323133313331323133313233133313   <<    C111123313331323113313331333133313331323123231333133313231333132331333133   >>      C111123313331323113313331333133313331323123231333133313231333132331333132   >>