D3313223323213233313232233132311211331323133313331323132333112311321   >>    D331322332321323331323223313231121133132313331333132313233311231132   <<    D3313223323213233313232233132311211331323133313331323132333112311323   >>      D3313223323213233313232233132311211331323133313331323132333112311322   >>