D12121212121313231311331323112331323223313331333131133132233131   >>    D1212121212131323131133132311233132322331333133313113313223313   <<    D12121212121313231311331323112331323223313331333131133132233133   >>      D12121212121313231311331323112331323223313331333131133132233132   >>