Hm. I do not see any stated or implied restrictions on the input:
Write a program that, given a permutation of the digits 0..9, arranges crossings on a grid that places the wires in the order designated by the permutation.
I guess we'll need masak to clarify things.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.