Can this implementation of Damm algorithm be optimized?

[Nestor via Digitalmars-d-learn]

On Thursday, 9 February 2017 at 18:34:30 UTC, Era Scarecrow wrote:
> ...
> Actually since you're also multiplying by 10, you can 
> incorporate that in the table too...

I forgot to comment that what is multiplied by ten is not the 
value but the starting position in the array (a way to emulate a 
matrix), but anyway see my comments in previous post.