Show:
1x, 2x
3x, 4x
5x, 6x
7x, 8x
9x, 10x, 11x
100

7x1

7

100

3x3

6

100

5x0

0

100

7x2

14

100

10x2

20

200

3x2

6

200

4x10

40

200

5x10

50
200

8x10

80

200

9x9

81

300

10x1

10

300

3x7

21
300

6x4

24

300

7x5

35

300

9x3

27

400

8x2

16

400

4x4

16

400

5x9

45

400

8x4

32

400

10x10

100

500

0x2

0

500
3x11
33
500

6x8

48

500

7x8

56

500

11x7

77