Employees of a restaurant are assigned to work shifts for the days the restaurant is open. The restaurant is open every day but Monday, and there are morning and evening shifts every day except Tuesday, when there is only an evening shift. All assignments of employers must conform to the following conditions:
All employees must work Friday and Saturday evening.
All employees must work at least two consecutive morning shifts.
If an employee works Wednesday morning and evening, the employee does not work Tuesday evening.
If an employee works too consecutive shifts, the employee must work the evening shift on the next day that the restaurant is open.
If an employee does not work Sunday morning and evening, the employee must work Friday morning.
If an employee works either of the shifts on Thursday, the employee does not work Saturday morning.
Matrix game. <[am]------
T. W. Th. F. Sa. S.
Am. No. |. ------------>. |
Pm. <- --| ----yes-----yes |
1. F and Sat PM must
2. Am Am consecutive must
3. W am and W pm->~T pm
T pm-> ~W am or ~Wpm
4. Am Am -> Am Am pm
5. ~Sun am- and ~ Sun pm> Fam
~Fam-> Sunam or Sun pm
6. Th am or Th pm-> ~Sa am
Sa am-> ~Th am and ~Th pm
Note: Proper sketch and rule interplay is the key to success of this game.
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