D3313221123132313231323233231323223313231323221333132333132313331323221311   >>    D331322112313231323132323323132322331323132322133313233313231333132322131   <<    D3313221123132313231323233231323223313231323221333132333132313331323221313   >>      D3313221123132313231323233231323223313231323221333132333132313331323221312   >>