D121212122132313231323233231323223313232233133312132313231323111   >>    D12121212213231323132323323132322331323223313331213231323132311   <<    D121212122132313231323233231323223313232233133312132313231323113   >>      D121212122132313231323233231323223313232233133312132313231323112   >>