Show:
easy
slightly easy
medium
slightly hard
hard
100

1x1

1

100

10x3

30

100

10x10

100
100

22x26

572

100

220x34

7480

200

2x2

4

200

10x7

70

200

11x6

66

200

12x19

228

200

193x56

10808

300

3x3

9

300

9x5

45

300

13x8

104

300

16x27

432

300

187x98

18326

400

4x4

16

400

6x4

24

400

12x4

48

400

28x19

532

400

89x139

12371

500

5x5

25

500

8x5

40

500

19x10

190

500

24x28

672

500

79x192

13440