Show:
X4
X6
X7
X8
X9
100

9x9

18

100

1x5

5

100

80x3

240

100

56x48

2688

100

90x80

7200

200

5x4

20

200

7x6

42

200

49x30

1470

200

43x45

1935

200

46x50

2300

300

4x5

12

300

10x5

50

300

90x39

270

300

48x56

2688

300

560x24

13440

400

2x9

18

400

28x34

952

400

30x50

45

400

45x45

2025

400

900x4

3600

500

7x4

34

500

50x7

350

500

58x5

290

500

400x3

1200

500

900x800

7200