min: 1* x0 +20* x1 +10* x2 +18* x3 +29* x4 +5* y0 +8* y1 +13* y2 +27* y3 +15* y4;
x0 + y0 >= 0;
x0 + y2 >= 0;
x1 + y0 >= 0;
x1 + y1 >= 0;
x1 + y3 >= 0;
x1 + y4 >= 0;
x2 + y0 >= 0;
x2 + y1 >= 0;
x2 + y3 >= 0;
x2 + y4 >= 0;
x3 + y1 >= 0;
x3 + y2 >= 0;
x3 + y3 >= 0;
x3 + y4 >= 0;
x4 + y1 >= 0;
x4 + y4 >= 0;
       1       0       1       0       0
       1       1       0       1       1
       1       1       0       1       1
       0       1       1       1       1
       0       1       0       0       1
1 20 10 18 29 
5 8 13 27 15