Array ( [0] => Array ( [29] => Task 2 [31] => Task 3 [33] => Task 4 [35] => Task 5 [36] => Sub task 5 [40] => Task 6 [41] => Sub task 6 ) [29] => Array ( [30] => Sub task 2 ) [31] => Array ( [32] => Sub task 3 [39] => Sub task 3 ) [33] => Array ( [34] => Sub task 4 [37] => Sub task 4 ) [41] => Array ( [42] => Sub task 6 ) )

- Task 2
- Sub task 2

- Task 3
- Sub task 3
- Sub task 3

- Task 4
- Sub task 4
- Sub task 4

- Task 5
- Sub task 5
- Task 6
- Sub task 6
- Sub task 6