isa
dalawa
11
12
22
23
32
33
42
43
three
four
13
14
24
25
34
35
44
45
5
6
15
16
26
27
36
37
46
47
7
8
17
18
28
29
38
39
48
49
9
10
20
21
30
31
40
41
50
51