20
77
27
90
119
100
60
12
25
32
72
35
76
18
50
15
39
9
120
54
52
20
36
7
5
2
3
24
4
36
8
8
30
5
6
2
2
8
22
12
7
27
2
5
4
5
5
10
45
2
3
35
3
4
10
5
8
2
12
3
2
4
6
2
2
2
2
4
2
16
4
2
2
1
2
2
2
2
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.