D3313111211331323133313331323331323133313231323132322331323232321232213232111   >>    D331311121133132313331333132333132313331323132313232233132323232123221323211   <<    D3313111211331323133313331323331323133313231323132322331323232321232213232113   >>      D3313111211331323133313331323331323133313231323132322331323232321232213232112   >>