Production of cane sugar:

• linear, 'ocurrence', and 'element' constraints (a4sugar_ka.mos), branching strategy for variables,
• alternative formulation using 'distribute' constraints (a4sugar2_ka.mos).

Further explanation of this example: 'Xpress Kalis User Guide', Section 3.6 occurrence: Sugar production

! Data file for `a4sugar.mos'

LOSS: [43 26 37 28 13 54 62 49 19 28 30]
LIFE: [ 8  8  2  8  4  8  8  8  6  8  8]

DUR: 2