[الله يسهلهاا]

01 --> b
02 --> b
03 --> a
04 --> b
05 --> a
06 --> b
07 --> a
08 --> b
09 --> b
10 --> a
11 --> a
12 --> b
13 --> a
14 --> a
15 --> c
16 --> a
17 --> a
18 --> c
19 --> b
20 --> b
21 --> a
22 --> a
23 --> a
24 --> b
25 --> a
26 --> a
27 --> b
28 --> b
29 --> a
30 --> b
31 --> a
32 --> c
33 --> a
34 --> a
35 --> b
36 --> b
37 --> b
38 --> c
39 --> c
40 --> b
41 --> a
42 --> a
43 --> b
44 --> a
45 --> b
46 --> b
47 --> a
48 --> b
49 --> a
50 --> a