D121212122132313231323233231323223313233313232212112211232333131   >>    D12121212213231323132323323132322331323331323221211221123233313   <<    D121212122132313231323233231323223313233313232212112211232333133   >>      D121212122132313231323233231323223313233313232212112211232333132   >>