$$\left. \begin{array} { l } { 500 } \\ { 500 } \\ { 1100 } \\ { 2100 } \\ { 400 } \\ { 400 } \\ { 300 } \end{array} \right.$$
$300,400,400,500,500,1100,2100$
$$500$$
$$500,500$$
$$500,500,1100$$
$$500,500,1100,2100$$
$$400,500,500,1100,2100$$
$$400,400,500,500,1100,2100$$
$$300,400,400,500,500,1100,2100$$
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$500,\ 500,\ 1100,\ 2100,\ 400,\ 400,\ 300$