Shortening CCCs

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The longest chain – the first row in the middle part of the window – contains 27 periods that cannot be scheduled at the same time, since this would lead to conflicts, as described above.There also may be time requests defined for each teacher, class and lesson and each lesson may have additional conditions imposed on it.




A large number of chains with many periods may reduce the possibilities of scheduling very quickly.


You now have the option of shortening the chain by assigning a different teacher to individual lessons.


The teacher with whom a swap would shorten the chain by the most periods, is marked as critical. The CCC-Analysis shows his/her short name in brackets next to the lesson number in the middle part of the window.


If there is no critical element displayed, no improvement is to be expected by, for example, a high number of classes in volved.