Windows (gaps) in teachers timetables					 | 
			
			
				 
				
				We have teacher who teaches only 2 days per week and it doesn't matter which					 | 
			
			
				 
				
				Teacher is teaching 2 lessons per week in class 5A but both are in the afternoon.					 | 
			
			
				 
				
				How to specify min and max lesson teacher shall have on one day?					 | 
			
			
				 
				
				We need one free Math teacher for every period in week					 | 
			
			
				 
				
				How could be distributed the first/last lessons for all teachers in equality?					 | 
			
			
				 
				
				Our class teachers always have to teach the 1st lesson					 | 
			
			
				 
				
				Our teachers cannot teach more than 6 lessons consecutively					 | 
			
			
				 
				
				How to specify a teacher can teach only one 7th lesson					 | 
			
			
				 
				
				We have 10 day timetable (two weeks), I want to spread teacher's lessons equally into these 2 weeks					 | 
			
			
				 
				
				How to ensure lunch break for teachers					 | 
			
			
				 
				
				Each teacher shall have one or two free afternoon					 | 
			
			
				 
				
				Two teachers cannot teach at the same time					 | 
			
			
				 
				
				Teacher cannot teach 4th in Grade 5 and 5th lessons in Grade 6					 | 
			
			
				 
				
				Teacher must have some lessons in the morning					 | 
			
			
				 
				
				We need two free teachers on each period to make sure we have enough teachers for substitutions					 | 
			
			
				 
				
				Teacher cannot teach both in the morning and in the afternoon					 | 
			
			
				 
				
				Our teachers have substitution duty lessons, we need min 2 at each period					 | 
			
			
				 
				
				Teacher cannot teach in two different classes in one day					 | 
			
			
				 
				
				Teacher can teach max 2 periods per day in one class					 | 
			
			
				 
				
				Two teachers are teaching together, but only 3 times per week out of 5 lessons (lessons with assistant)					 | 
			
			
				 
				
				Teacher cannot teacher more than 3 consecutive periods in one class					 | 
			
			
				 
				
				How to ensure that teacher starts teaching with 1st or 2nd period (he cannot start later than 2nd)					 | 
			
			
				 
				
				Teacher cannot have gap of length 2					 | 
			
			
				 
				
				Teacher cannot teach both 6th and 7th period. He can teach only one of these two.					 | 
			
			
				 
				
				Teacher can teach max 5 lessons per day, but only twice in week					 | 
			
			
				 
				
				Our teacher must teach in consecutive days 					 | 
			
			
				 
				
				Teachers can not teach more than 3 consecutive periods without counting Planning time					 | 
			
			
				 
				
				Our teachers can teach max 5 days in two weeks timetable					 | 
			
			
				 
				
				Our teacher teach two different subjects but they need at least one period gap between.					 | 
			
			
				 
				
				Our teachers can teach only three different week days in three weeks timetable					 | 
			
			
				 
				
				How can I define that teacher can have max 3 consecutive periods(but he can have 2 doubles)					 |