Sorting multidimensional arrays

Not clear. With

order=sortperm(OF)

you already have Sol in the order you want it to be:

julia> Sol[order]
2-element Vector{Vector{Int64}}:
 [3, 6, 10, 9, 7, 8]
 [4, 1, 5, 2]

What do you mean with

I would have to sort Sol such that…