120
36
24
46
27
12
105
48
30
39
30
60
50
108
36
30
24
80
12
3
72
12
20
28
9
54
18
11
11
28
14
10
28
3
4
6
15
3
5
2
2
16
26
5
8
2
6
4
2
2
4
2
10
21
3
4
22
14
12
2
4
4
2
2
3
2
1
3
3
4
6
3
2
8
4
2
8
3
6
10
3
9
3
2
2
2
2
6
1
6
3
3
4
6
5
3
3
5
4
3
2
1
1
1

master · 40 x 40

How to play

Divide the grid into rectangles and squares. Every shape must contain exactly one number, and its area must match that number.

Desktop

Click and drag to draw. Right-click a rectangle to remove it.

Mobile

Tap the first and last cell to draw. Press and hold to remove.

Found a problem? Send me an email and include your device and browser.