C11112331333132311331333133313331333132313231123313123231311331   >>    C1111233133313231133133313331333133313231323112331312323131133   <<    C11112331333132311331333133313331333132313231123313123231311333   >>      C11112331333132311331333133313331333132313231123313123231311332   >>