Table 16 Scale of problem instances (unit: units).

From: A multi-objective fuzzy programming model for port tugboat scheduling based on the Stackelberg game

Example

Task

Tugboat

Base

Example

Task

Tugboat

Base

1

5

3

2

24

28

16

11

2

6

4

2

25

29

17

12

3

7

5

2

26

30

18

12

4

8

6

3

27

31

18

13

5

9

6

3

28

32

18

13

6

10

6

4

29

33

19

13

7

11

7

5

30

34

20

14

8

12

7

5

31

35

21

14

9

13

8

5

32

36

21

14

10

14

8

6

33

37

22

15

11

15

9

6

34

39

23

15

12

16

9

6

35

40

24

16

13

17

10

7

36

43

25

16

14

18

10

7

37

45

26

16

15

19

11

7

38

47

27

16

16

20

12

8

39

49

28

16

17

21

13

9

40

50

30

16

18

22

13

9

41

52

31

16

19

23

14

9

42

54

33

16

20

24

14

10

43

56

34

16

21

25

15

10

44

58

35

16

22

26

15

10

45

60

36

16

23

27

16

11

   Â