Show:
2
5
10
3
4
100

2x3

6

100

5x2

10

100

10x1

10

100

3x1

3

100

4x1

4

200

2x4

8

200

5x3

15

200

10x3

30

200

3x3

9

200

4x2

8

300

2x7

14

300

5x5

25

300

10x5

50

300

3x4

12

300

4x5

20

400

2x9

18

400

5x8

40

400

10x10

100

400

3x6

18

400

4x4

16
500

2x12

24

500

5x9

45

500

10x11

110

500

3x9

27

500

4x8

32