2020-09-10

Requested by poetasandaluces on https://lalescu.ro/liviu/fet/forum/index.php?topic=4671.0.

Teachers cannot have both occupied 3rd and 4th hours of any day. Gaps are not counted for teachers in the 3rd and 4th if only one slot is free.
If both slots are free, only one gap is counted. Breaks/not available are (or should be) treated correctly - as a non-gap.