$\left\lgroup 4, 2, 0, +\frac{1}{2} \right\rgroup$

$\left\lgroup 3, 1, -1, +\frac{1}{2} \right\rgroup$

$\left\lgroup 3, 2, -3, +\frac{1}{2} \right\rgroup$

$\left\lgroup 2, 1, 1, +\frac{1}{2} \right\rgroup$

$\left\lgroup 4, 0, 0, -\frac{1}{2} \right\rgroup$