Quine McClusky digital circuit minimization V1.0
initial minterms 
gr a b c d  cv 
0  0 0 0 0  0 
0  0 0 1 0  0 
0  0 1 0 1  0 
0  0 1 1 1  0 
0  1 0 1 0  0 
0  1 1 0 1  0 
0  1 1 1 0  0 
0  1 1 1 1  0 

final prime implicants 
gr a b c d  cv 
0  - 0 1 0  0 
0  1 - 1 0  0 
0  1 1 1 -  0 
0  - 1 - 1  0 
0  0 0 - 0  0 

out <= 
  (          not b and     c and not d ) or
  (    a           and     c and not d ) or
  (    a and     b and     c           ) or
  (              b           and     d ) or
  (not a and not b           and not d );

out = 
  (     ~b &  c & ~d ) |
  ( a      &  c & ~d ) |
  ( a &  b &  c      ) |
  (      b      &  d ) |
  (~a & ~b      & ~d );