D3313223323213233313231323232132313231333132311331323223313123231131   >>    D331322332321323331323132323213231323133313231133132322331312323113   <<    D3313223323213233313231323232132313231333132311331323223313123231133   >>      D3313223323213233313231323232132313231333132311331323223313123231132   >>