15
42
48
54
60
57
116
36
14
90
18
105
13
81
4
10
27
114
10
125
32
30
14
2
15
60
48
4
4
6
4
12
16
3
4
5
14
4
16
3
5
60
4
3
10
5
3
4
5
5
4
2
2
5
14
6
2
2
2
2
1
3
1
5
3
8
2
10
9
6
4
8
3
2
3
7
5
4
12
4
2
6
2
2
1
2
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.