C111123313331323113313331333133313331323123231333132313331121111233131   >>    C11112331333132311331333133313331333132312323133313231333112111123313   <<    C111123313331323113313331333133313331323123231333132313331121111233133   >>      C111123313331323113313331333133313331323123231333132313331121111233132   >>