∆ 21 ∆

1 ∆ 1 ∆ 

2 ∆ 2 ∆ 

3 ∆ 3 ∆ 

4 ∆ 4 ∆ 

5 ∆ 5 ∆ 

6 ∆ 6 ∆ 

7 ∆ 7 ∆ 

8 ∆ 8 ∆ 

9 ∆ 9 ∆ 

10 ∆ 10 ∆ 

11 ∆ 11 ∆ 

12 ∆ 12 ∆ 

13 ∆ 13 ∆ 

14 ∆ 14 ∆ 

15 ∆ 15 ∆ 

16 ∆ 16 ∆ 

17 ∆ 17 ∆ 

18 ∆ 18 ∆ 

19 ∆ 19 ∆ 

20 ∆ 20 ∆ 

21 ∆ 21 ∆ 

22 ∆ 22 ∆ 

23 ∆ 23 ∆ 

24 ∆ 24 ∆ 