working of moving cubes

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24:12

24:46

1:35

4:12

6:58

2:44

1:42

22:47

4:15

1:11

17:48

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10:55

6:39

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10:53

7:00

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8:00

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4:01

10:01

8:04

24:23

8:08

10:32

2:14

1:59

3:12

7:07

3:06

7:38

2:12

21:36

19:00

2:47

1:55

28:10

3:32

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4:57

00:20

3:59

9:27

8:53

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14:12

15:00

16:02

8:08

18:52

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7:32

1:15