54
96
102
84
72
14
11
2
34
3
105
12
64
26
64
80
15
20
26
63
110
12
18
6
14
30
12
20
7
22
57
13
10
5
6
30
10
20
15
6
16
2
2
8
2
3
6
5
2
2
1
6
18
5
6
6
18
12
4
2
20
14
5
5
2
2
2
6
8
4
4
4
2
2
2
4
3
2
3
1
2
3
1
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.