Shikaku


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Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

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Shikaku


5x5 Shikaku | 7x7 Shikaku | 10x10 Shikaku | 15x15 Shikaku | 20x20 Shikaku | 25x25 Shikaku

This Month
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Today
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MO3
1. vowels
171
01:39.33
2. suuperch
89
01:46.03
3. hoodxxc
142
02:09.39
4. qqwref
203
02:17.90
5. mp3some
81
02:18.56
6. FAlin
139
02:19.39
7. Sam9375
171
02:27.30
8. major414
60
02:33.93
9. test
18
02:34.39
10. KaedeLen
38
02:45.11
AO5
1. vowels
171
01:41.85
2. suuperch
89
01:58.76
3. qqwref
203
02:21.01
4. mp3some
81
02:22.12
5. hoodxxc
142
02:23.28
6. FAlin
139
02:25.88
7. Sam9375
171
02:35.23
8. major414
60
02:46.01
9. bearn
127
02:47.53
10. XuanLan
97
02:53.46
AO12
1. vowels
171
01:49.34
2. suuperch
89
02:12.13
3. mp3some
81
02:32.18
4. FAlin
139
02:43.26
5. qqwref
203
02:48.87
6. hoodxxc
142
02:50.14
7. Sam9375
171
02:58.50
8. XuanLan
97
03:04.49
9. 12921
44
03:07.39
10. major414
60
03:16.12
Robots / programmatic solversinfo  
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* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2022-11-29 04:56:27

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