Format for p-dimensional vector packing instances:

p (number of dimensions)
W^1 ... W^p (capacity of each dimension)
m (number of different items)
w^1_1 ... w^p_1 b_1
...
w^1_i ... w^p_i b_i (i-th item weight on each dimension, its demand)
...
w^1_m ... w^p_m b_m

