D121212122132313231323233231323223313231323331333131232322233231   >>    D12121212213231323132323323132322331323132333133313123232223323   <<    D121212122132313231323233231323223313231323331333131232322233233   >>      D121212122132313231323233231323223313231323331333131232322233232   >>