The Counting Numbers 1-19
No explanation necessary -- here they are; memorize them!
1    |
11       |
2    |
12  |
3    |
13   |
4  |
14 |
5  |
15 |
6   |
16 |
7      |
17 |
8   |
18 |
| 9 |
19 |
| 10 |
Note that all the numbers 13-19 are formed by preceding
the last digit by . Eleven and twelve (in red in the
table above) are the only exceptions.
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