|  Max one history lesson on 6th-7th position in each class (solution 1) | 
			|  Max one history lesson on 6th position in each class (solution 2) | 
			|  Two subjects cannot follow/Cannot be on the same day. | 
			|  Distribution of subject over the week | 
			|  I do not want my geography to be on Friday and then on Monday | 
			|  I want subject in one class to be on the same positions as subject in another class | 
			|  What if 2 specific subjects must be taught simultaneously? | 
			|  I need subject Math to be on the same position in classes 5.A and 5.B | 
			|  Two subjects must follow each other | 
			|  Spreading lessons on different periods each day | 
			|  I want to have Math lessons in a class on the same period every day | 
			|  I need subject Geography to be last lesson on a day in classes 5.A, 5.B, 5.C... | 
			|  Modifying the default card distribution per week for the subject | 
			|  I want just one PE/Art/Drama lesson per day | 
			|  I have Geography two times per week. It shall not be on consecutive days. | 
			|  How can I define lessons that can be outside teaching block(in the afternoon)? | 
			|  There can be two maths on one day, but not consecutivelly | 
			|  There can be two math lessons on one day, but they need to be placed consecutivelly | 
			|  Biology cannot be on the day after Chemistry | 
			|  Double lessons must be before single lessons | 
			|  Biology has to be in the afternoon in certain classes and in the morning in other classes | 
			|  5A has to have Biology right before or after biology in 5B (the two classes have to have biology lesson on consecutive periods) | 
			|  French and Spanish language lessons can be in one day, but with a gap at least 2 periods | 
			|  How to distribute lessons in multiple weeks timetable. |