There can be two maths on one day, but not consecutivelly

If you have 6 lessons of math per 5 day week, then there will be two math lessons on one day. If these cannot be one behind another you need to add this advanced cardrelationship:

Notes:
- make sure you select the appropriate subjects, if you for example already have double lesson from that subject, they will not be placed.

See also:
There can be two math lessons on one day, but they need to be placed consecutivelly

Chceli by sme mať hodiny za týždeň rozdelené 1+1+1+2 ALEBO 1+2+2.