Optimal Work Shift Scheduling with Fatigue Minimization and Day Off Preferences

Table 1

The original ATC shift table.

ATC	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.	Sun.
1	I	A	O	C	O	C	I
2	C	F	C	I	O	O	I
3	J	O	O	A	F	C	I
4	C	G	F	I	O	O	C
5	O	E	E	O	A	A	J
6	O	J	O	J	H	H	E
7	J	O	A	G	O	J	J
8	I	O	B	H	O	I	I