D121212122132313231323233231323223313231323221333131323132233131   >>    D12121212213231323132323323132322331323132322133313132313223313   <<    D121212122132313231323233231323223313231323221333131323132233133   >>      D121212122132313231323233231323223313231323221333131323132233132   >>