D33132211231323132313232332313232233132313232213331323221231211   >>    D3313221123132313231323233231323223313231323221333132322123121   <<    D33132211231323132313232332313232233132313232213331323221231213   >>      D33132211231323132313232332313232233132313232213331323221231212   >>