D3313111211331323133313331323331323133313231323132322331323232323132313232121   >>    D331311121133132313331333132333132313331323132313232233132323232313231323212   <<    D3313111211331323133313331323331323133313231323132322331323232323132313232123   >>      D3313111211331323133313331323331323133313231323132322331323232323132313232122   >>