A B C D E    y
  0 0 0 1 0   195
  0 0 1 1 1   496
  0 1 0 0 1    87
  0 1 1 0 0  1371
  1 0 0 0 1   102
  1 0 1 0 0  1001
  1 1 0 1 0   354
  1 1 1 1 1   775