D3313223323213233313231323232132313231333132311331323331323132312121   >>    D331322332321323331323132323213231323133313231133132333132313231212   <<    D3313223323213233313231323232132313231333132311331323331323132312123   >>      D3313223323213233313231323232132313231333132311331323331323132312122   >>