D121212122132313231323233231323223313231323331333131331123121121   >>    D12121212213231323132323323132322331323132333133313133112312112   <<    D121212122132313231323233231323223313231323331333131331123121123   >>      D121212122132313231323233231323223313231323331333131331123121122   >>