“Cascade” type timetable (solution 2)
Bell times:
Bell times are entered every 20 minutes.
All lessons we enter as double (2 periods long, in this case – 40 minutes):
Time for each class group (e.g. for classes 1, 2, 3 and 4):
For classes 5, 6, 7 and 8:
For classes 9, 10 and 11:
If it is necessary for teachers to always have breaks between lessons, we introduce the following condition:
The maximum number of consecutive periods – 2.
