It is apparently done in quite a crude fashion, using a look-up table.

"Why interfere in their work in this crude fashion?"

Bacteria were already swapping genetic information, in a crude fashion.

Female, you may play with threads after the crude fashion of your kind.

Nor did any member of the tribe forget in his own crude fashion to deck himself for the occasion.

The news-release services watched Helen in the crudest possible fashion.

Few humans knew how to communicate with mechs in even crude fashion.

Carved in crude fashion, the idol features one leg and four hands.

I would personally argue that using such an analogy in this crude fashion should be avoided.

The grass-roots movement is being dealt with in the crudest fashion.