D33132211231323132313232332313232233132313232213331323123121121   >>    D3313221123132313231323233231323223313231323221333132312312112   <<    D33132211231323132313232332313232233132313232213331323123121123   >>      D33132211231323132313232332313232233132313232213331323123121122   >>