M := [ 235418, 310753, 841777, 213399, 944992, 287096, 291512, 240666, 14167, 
  883847, 897646, 338123, 837633, 788315, 196474, 52661, 128826, 709512, 
  281367, 334413, 344646, 770181, 468276, 341011 ];