MIN 8X11 + 5X12 + 6X13 + 15X21 + 10X22 + 12X23 + 3X31 + 9X32 + 10X33
ST
FAB1) X11 + X12 + X13 = 120
FAB2) X21 + X22 + X23 = 80
FAB3) X31 + X32 + X33 = 80
DEP1) X11 + X21 + X31 = 150
DEP2) X12 + X22 + X32 = 70
DEP3) X13 + X23 + X33 = 60 