D12121212121313231311331323112331323223313331333221323132313231323132111   >>    D1212121212131323131133132311233132322331333133322132313231323132313211   <<    D12121212121313231311331323112331323223313331333221323132313231323132113   >>      D12121212121313231311331323112331323223313331333221323132313231323132112   >>