##### Try good example 00 (https://public.01-edu.org/subjects/tetris-optimizer/goodexample00).
##### Try [good example 00](https://public.01-edu.org/subjects/tetris-optimizer/goodexample00).
###### Does the result contain 0 empty spaces (0 '.')?
##### Try good example 01 (https://public.01-edu.org/subjects/tetris-optimizer/goodexample01).
##### Try [good example 01](https://public.01-edu.org/subjects/tetris-optimizer/goodexample01).
###### Does the result contain 9 empty spaces (9 '.')?
##### Try good example 02 (https://public.01-edu.org/subjects/tetris-optimizer/goodexample02).
##### Try [good example 02](https://public.01-edu.org/subjects/tetris-optimizer/goodexample02).
###### Does the result contain 4 empty spaces (4 '.') and a time limit lesser or equal to the one in the [good practices](https://public.01-edu.org/subjects/good-practices.en)?
##### Try good example 03 (https://public.01-edu.org/subjects/tetris-optimizer/goodexample03).
##### Try [good example 03](https://public.01-edu.org/subjects/tetris-optimizer/goodexample03).
###### Does the result contain 5 empty spaces (5 '.') and a time limit lesser or equal to the one in the [good practices](https://public.01-edu.org/subjects/good-practices.en)?
##### Try hard example (https://public.01-edu.org/subjects/tetris-optimizer/hardexam).
###### Does the result contain 1 empty spaces (1 '.') and a time limit lesser or equal to the one in the [good practices](https://public.01-edu.org/subjects/good-practices.en)?