Vastaus

x = x21y3+x22y1-+-x23y2---x21y2---x22y3---x23y1 +-y1y22 +-y2y23 +-y3y21---y1y23---y2y21---y3y22
          2(x y  + x y  + x y  - x y  - x y  - x y )
             1 3    2 1    3 2    1 2    2 3    3 1

y = x1y2+x2y2 + x3y2 - x1y2 - x2y2 - x3y2 + x1x2 + x2x2 + x3x2 - x1x2 -  x2x2-  x3x2
31------2------2------3------1-------3------1------2------2------3------1-
           2(x1y3 + x2y1 + x3y2 - x1y2 - x2y3 - x3y1)

Sovellus: x = 10801, y = 56278.