srand=1140615828
M[10][25]=
  0: 0 0 1 1 1 1 1 0 1 1 indep
  1: 1 1 1 0 0 0 1 0 0 0 indep
  2: 1 0 0 1 1 1 0 1 0 1 indep
  3: 0 0 0 1 1 1 0 1 0 0 indep
  4: 1 1 0 0 1 1 0 0 1 0 indep
  5: 1 0 1 1 0 0 1 1 1 1 -
  6: 1 0 0 0 0 0 1 0 1 0 indep
  7: 0 1 1 0 0 1 1 0 0 0 indep
  8: 0 1 1 0 1 1 1 1 0 0 -
  9: 1 0 1 0 0 0 0 1 0 1 -
 10: 0 0 1 1 0 0 1 0 0 1 indep
 11: 0 0 1 0 0 0 0 0 1 1 -
 12: 1 0 0 0 1 0 1 1 1 1 indep
 13: 1 0 0 0 1 0 1 0 1 1 indep
 14: 1 1 1 1 1 1 1 1 0 0 -
 15: 0 0 0 1 0 1 0 0 1 0 -
 16: 1 1 0 0 1 1 0 1 1 1 -
 17: 1 1 1 0 0 0 0 1 1 1 -
 18: 0 1 0 0 0 1 0 0 0 0 -
 19: 0 0 1 1 1 0 0 0 1 0 -
 20: 0 0 1 1 0 1 1 1 0 1 -
 21: 1 0 0 1 0 1 0 1 0 0 -
 22: 1 1 0 1 1 0 0 0 1 1 -
 23: 1 1 0 0 1 0 0 1 1 1 -
 24: 1 1 1 0 0 1 1 0 0 0 -
recv=14