Show:
5x
6x
7x
8x
9x
100

5x6

30

100

6x6

36

100

7x2

14

100

8x2

16

100

9x2

18

200

5x9

45

200

6x9

54

200

7x9

63

200

8x7

56

200

9x7

63

300

5x13

65

300

6x15

90

300

7x14

98

300

8x14

112

300

9x14

126

400

5x18

90

400

6x19

114

400

7x19

133

400

8x18

144

400

9x18

162

500

5x30

150

500

6x30

180

500

7x30

210

500

8x30

240

500

9x30

270