Show:
5
7
4
8
6
100

5x7

35

100

7x2

14

100

4x2

8

100

8x1

8

100

6x3

18

200

5x9

45

200

7x3

21

200

4x4

16

200

8x3

24

200

6x4

24

300

5x2

10

300

7x5

35

300

4x5

20

300

8x5

40

300

6x5

30

400

5x5

25

400

7x7

49

400

4x7

28

400

8x8

64

400

6x7

42

500

5x8

40

500

7x9

63

500

4x9

36

500

8x9

72

500

6x9

54