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			هذا المقال متوفر حسب اللغات التالية :                ![]() If you need to make sure that every teacher has at least one period free during lunch time for lunch, you can input it this way: Example: Lunch between periods 3-5. This means there are 3 periods available. So we can input it making sure that during 3.-5. period teacher can have max 2 lessons. Go to menu - Specification - Relations - Advanced and input values according to this picture: 
 
 تمت مشاهدة هذا المقال 109669 مرة73406 / 109669 
 
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