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# System prepended metadata

title: Untitled

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|  | movie 1 | movie 2 |
| -------- | -------- | -------- |
| user 1     | n/a     | 4    |
| user 2    | 3     | 3    |


$S = n\sum(4 - |r_i - r_j|)$
$5-1=4$