multiplying by 1 digit
area model
2x2
100

8 x 8

64

100

17 x 15

255

100

87 x 12

1,044

200

26 x 1

26

200

93 x 5

465

200

35 x 26

910

300

25 x 7 

175

300

12 x 18

216

300

44 x 29

1,276

400

34 x 6 

204

400

4 x 56

224

400

56 x 41

2,296

500

88 x 3

264

500

80 x 9

720

500

74 x 36

2,664

M
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n
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