D3313223323213233313231323232132313231333132311331323223313123231221   >>    D331322332321323331323132323213231323133313231133132322331312323122   <<    D3313223323213233313231323232132313231333132311331323223313123231223   >>      D3313223323213233313231323232132313231333132311331323223313123231222   >>