quadrilateral examples

21:46

2:11

6:00

55:33

4:54

7:46

6:19

1:05:39

1:33:12

4:36

43:22

1:06:05

8:02

6:07

6:17

21:47

11:24

1:01:44

28:23

2:52:29

4:39

3:12

22:39

11:02

4:17

6:10

1:35:00

1:07:27

21:22

5:08

3:54

2:48

14:50

6:07

1:04:10

12:10

13:49

4:10

8:24

12:26

5:49

5:05

4:44

6:39

21:07

5:32

4:47

25:35

7:47

3:49

4:48

6:38

50:00

1:11:41

18:31:37

30:39

4:16

13:43

20:51

43:33