Worker 5 began item 3
Worker 4 began item 2
Worker 1 began item 1
Worker 2 began item 4
Worker 3 began item 5
Worker 5 ended item 3
Worker 4 ended item 2
Worker 1 ended item 1
Worker 5 began item 6
Worker 3 ended item 5
Worker 2 ended item 4
Worker 1 began item 8
Worker 4 began item 7
Worker 2 began item 9
Worker 3 began item 10 
Worker 5 ended item 6
Worker 1 ended item 8
Worker 4 ended item 7
Worker 3 ended item 10 
Worker 2 ended item 9
$VAR1 = {
          '9' => 18,
          '7' => 14,
          '3' => 6,
          '1' => 2,
          '5' => 10,
          '8' => 16,
          '4' => 8,
          '2' => 4,
          '10' => 20,
          '6' => 12
        };