Show:
5x
9x
7x
4x
8x
100

5x1

5

100

9x2

18

100

7x2

14

100

4x2

8

100

8x1

8

200

5x4

20

200

9x3

27

200

7x4

28

200

4x3

12

200

8x4

32

300

5x7

35

300

9x4

36

300

7x6

42

300

4x5

20

300

8x5

40

400

5x8

40

400

9x6

54

400

7x7

49

400

4x7

28

400

8x8

64
500

5x9

45

500

9x8

72

500

7x9

63

500

4x8

32

500

8x9

72