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
1. demian2
53
00:31.05
2. mtanzer
104
00:37.85
3. qqwref3
60
00:47.76
4. eonhochang
25
00:54.86
5. N4p4l44
57
01:01.11
6. bearn
78
01:03.77
7. BlueOcarina
51
01:07.31
8. GeorgPfleger
62
01:09.04
9. shinjjjang 01:12.56
10. tiffany02 01:15.53
11. Ramasp
123
01:17.89
12. Qwarp
7
01:24.92
13. Skutti 01:27.09
14. Daanbe
54
01:28.18
15. SnapWzrd
15
01:43.73
16. AnnaMGS 01:44.24
17. brekkie 01:58.01
18. BlueBumblebee 02:01.88
19. horst 02:32.76
20. Ezie
11
02:40.33
This Week
1. demian2
53
00:35.83
2. mtanzer
104
00:37.85
3. eonhochang
25
00:56.09
4. GeorgPfleger
62
01:09.04
5. shinjjjang 01:12.56
6. BlueOcarina
51
01:12.95
7. Ezie
11
02:40.33
8. fox1204 02:57.36
9. 신동건
3
03:09.17
10. svetvbo 03:33.24
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
Today
1. GeorgPfleger
62
01:09.04
2.--- empty -----:--
3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. demian2
53
00:35.74
2. mtanzer
104
00:50.94
3. qobi
102
00:51.01
4. arcer
75
00:52.65
5. sfumato
127
00:53.22
6. vowels
89
00:53.49
7. hoodxxc
77
01:00.53
8. qqwref3
60
01:03.00
9. RodrigoBrazil
49
01:04.41
10. Douglas Shamlin Jr.
322
01:08.35
AO5
1. demian2
53
00:37.73
2. qobi
102
00:51.01
3. arcer
75
00:53.35
4. mtanzer
104
00:53.95
5. vowels
89
00:57.91
6. sfumato
127
00:59.64
7. qqwref3
60
01:03.00
8. hoodxxc
77
01:05.42
9. GeorgPfleger
62
01:06.26
10. bearn
78
01:10.17
AO12
1. qobi
102
01:02.60
2. arcer
75
01:03.09
3. sfumato
127
01:06.55
4. mtanzer
104
01:12.80
5. hoodxxc
77
01:13.88
6. qqwref3
60
01:17.31
7. eonhochang
25
01:17.61
8. Douglas Shamlin Jr.
322
01:20.28
9. vowels
89
01:22.57
10. bearn
78
01:29.20
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.957
3.--- empty -----:--

* 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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2022-01-28 09:34:19

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