$-8;\ -5;\ 1$-8;\ -5;\ 1

$-1;\ 5;\ 8$-1;\ 5;\ 8

$\displaystyle - \frac{1}{2};\ 2;\ 5$\displaystyle - \frac{1}{2};\ 2;\ 5

$\displaystyle - \frac{1}{2};\ 5;\ 8$\displaystyle - \frac{1}{2};\ 5;\ 8