new puzzle challenge

[Claudio L.]

(03-31-2015 06:00 PM)Gilles Wrote:  

(03-30-2015 02:34 PM)Claudio L. Wrote:  There's 19 unknowns, and unless I'm mistaken we can write 15 linearly independent equations, ...

16 linearly equations because of :
A+B+C+D+E+F+G+H+I+J+K+L+M+N+O+P+Q+R+S=190

This is genius! Adding this equation into the mix, we have only 6 independent variables to take care of. This reduces the brute force effort by a factor of 13.
That's only 7 days running non-stop. Big improvement.