#  c1 c2 c3          | j  up to n
#               | b1 |
#  aij*xj <= bi | b2 |
#               |    |
#               | i up to m


3   5   4
2   3   1   10
1   2   2    8
4   1   3   12
1   2   3    6

#x1=2,x2=2,x3=0,Zmax =16.