$$\left. \begin{array} { l } { 3 } \\ { 0 } \\ { 0 } \\ { 0 } \\ \end{array} \right.$$
$0,0,0,3$
$$3$$
$$0,3$$
$$0,0,3$$
$$0,0,0,3$$
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$3,\ 0,\ 0,\ 0$
