Show:
5
6
7
8
9
100

5x8

40

100

6x3

18

100

7x2

14

100

8x1

8

100

9x4

36

200

5x4

20


200

6x7

42

200

7x7

49

200

8x3

24

200

9x5

45

300

5x7

35

300

6x8

48

300

7x10

70

300

8x5

40

300

9x9

81

400

5x11

55


400

6x10

60


400

7x9

63

400

8x7

56

400

9x10

90

500

5x12

60

500

6x12

72

500

7x11

77

500

8x9

72

500

9x12

108