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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This Week
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Today
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MO3
1. vowels
162
03:27.08
2. qqwref
188
04:17.05
3. suuperch
86
04:55.84
4. FAlin
138
04:58.16
5. Andy100
80
05:10.78
6. mp3some
76
05:18.58
7. bearn
125
05:28.95
8. XuanLan
95
05:35.75
9. hoodxxc
133
06:00.73
10. Usoppsky
71
06:08.70
AO5
1. vowels
162
03:36.81
2. qqwref
188
04:33.18
3. FAlin
138
05:00.38
4. suuperch
86
05:02.04
5. mp3some
76
05:39.90
6. XuanLan
95
05:45.69
7. Andy100
80
06:02.03
8. bearn
125
06:07.17
9. Sam9375
165
06:20.55
10. Usoppsky
71
06:20.93
AO12
1. XuanLan
95
06:03.12
2. Andy100
80
06:41.70
3. Kaitzschu
128
07:47.24
4. major414
58
08:08.29
5. fn
98
08:20.26
6. GeorgPfleger
68
08:22.05
7. Antoniy
61
09:43.14
8. Amber Paige
70
10:08.86
9. adam eve
122
10:26.77
10. Hybrid
103
10:34.75
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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2022-10-04 23:24:49

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