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
00:07.26
2. mtanzer
104
00:09.35
3. savebog
12
00:11.45
4. eonhochang
25
00:13.86
5. numbrr
65
00:14.67
6. GeorgPfleger
62
00:15.07
7. qqwref3
60
00:16.49
8. Tobi Ente
23
00:17.37
9. Orntt
18
00:17.95
10. Nick
100
00:18.47
11. poepjes
24
00:18.87
11. BlueOcarina
51
00:18.87
13. NoahR
134
00:19.75
14. Ramasp
123
00:20.50
15. fox1204 00:21.07
16. Woodcharcoal
4
00:21.59
17. spiffamoo
3
00:21.90
18. Qwarp
7
00:23.05
19. Ëmmâa
1
00:23.91
20. SnapWzrd
15
00:24.06
This Week
1. demian2
53
00:07.26
2. eonhochang
25
00:13.86
3. GeorgPfleger
62
00:15.07
4. poepjes
24
00:18.87
5. NoahR
134
00:19.75
6. spiffamoo
3
00:21.90
7. fox1204 00:25.29
8. horst 00:32.16
9. JOPHY_CHEN
12
00:33.55
10. Eaglewolf
2
00:40.87
11. Qwarp
7
00:43.37
12. bestofriendo
17
00:52.00
13. Naipstar 00:52.38
14. masumimomo 00:54.49
15. shikakumasterz 01:04.38
16. Jens
9
02:01.93
17. 신동건
3
02:08.78
18. CarloBasta 07:33.42
19.--- empty -----:--
20.--- empty -----:--
Today
1. GeorgPfleger
62
00:15.07
2. JOPHY_CHEN
12
00:33.55
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
00:09.26
2. sfumato
127
00:12.77
3. qobi
102
00:13.41
4. mtanzer
104
00:14.18
5. vowels
89
00:15.43
6. ichigo
26
00:15.89
7. eonhochang
25
00:16.29
8. numbrr
65
00:16.52
9. savebog
12
00:17.98
10. soy
59
00:18.33
AO5
1. demian2
53
00:09.82
2. sfumato
127
00:12.97
3. qobi
102
00:13.89
4. mtanzer
104
00:15.73
5. ichigo
26
00:16.33
6. vowels
89
00:16.35
7. eonhochang
25
00:18.43
8. numbrr
65
00:18.46
9. savebog
12
00:18.70
10. bearn
78
00:18.74
AO12
1. demian2
53
00:13.78
2. sfumato
127
00:16.09
3. qobi
102
00:17.04
4. vowels
89
00:18.72
5. ichigo
26
00:20.39
6. mtanzer
104
00:21.24
7. soy
59
00:21.87
8. bearn
78
00:22.29
9. numbrr
65
00:23.57
10. savebog
12
00:23.60
Robots / programmatic solversinfo  
1.tlstyer
1314
00:00.009
2.Charlie Li
60
00:00.874
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 09:47:32

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