D33132211231323132313232332313232233132322331331121123231323221211   >>    D3313221123132313231323233231323223313232233133112112323132322121   <<    D33132211231323132313232332313232233132322331331121123231323221213   >>      D33132211231323132313232332313232233132322331331121123231323221212   >>