D121212122132313231323233231323223313231323331331123231323132111   >>    D12121212213231323132323323132322331323132333133112323132313211   <<    D121212122132313231323233231323223313231323331331123231323132113   >>      D121212122132313231323233231323223313231323331331123231323132112   >>