C111123313331323113313331333133313331321123221333132313331121121   >>    C11112331333132311331333133313331333132112322133313231333112112   <<    C111123313331323113313331333133313331321123221333132313331121123   >>      C111123313331323113313331333133313331321123221333132313331121122   >>