D33132211231323132313232332313232233132313232213331323132313232212121   >>    D3313221123132313231323233231323223313231323221333132313231323221212   <<    D33132211231323132313232332313232233132313232213331323132313232212123   >>      D33132211231323132313232332313232233132313232213331323132313232212122   >>