5, | 10, | 12, | 10, | 11, | 12, |
10, | 13, | 11, | 10, | 21, | 30. |
X
|
Tally Marks
|
f
|
5
|
1
|
1
|
10
|
1111
|
4
|
11
|
11
|
2
|
12
|
11
|
2
|
13
|
1
|
1
|
21
|
1
|
1
|
30
|
1
|
1
|
|
|
12
|