| Pattern | Video Form | Text Form |
**** **** **** **** | Video | Learn |
* ** *** **** | Video | |
1 12 123 1234 | Video | Learn |
1 22 333 4444 | Video | Learn |
A AB ABC ABCD | Video | Learn |
1 AA 123 AAAA | Video | Learn |
A BC DEF GHIJ | Video | Learn |
1 10 101 1010 | Learn | |
**** *** ** * | Video | Learn |
1234 123 12 1 | Video | Learn |
ABCD ABC AB A | Video | Learn |
10 9 8 7 6 5 4 3 2 1 | Video | Learn |
**** *** ** * | Learn | |
AAAA 111 BB 2 | Video | Learn |
ABCD 123 AB 1 | Video | Learn |
* ** *** **** | Video | Learn |
1 23 456 78910 | Video | Learn |
| Learn | |
| Learn | |
| Learn | |
| Learn |
