# GFM Test Document

This is a test document to check all the features of the [GitHub Flavored Markdown (GFM)](https://github.github.com/gfm/).

## 1. Headings

### H3 Heading

#### H4 Heading

##### H5 Heading

###### H6 Heading

## 2. Paragraphs

This is a paragraph.

This is another paragraph that demonstrates **bold text**, *italic text*, and `inline code`.

## 3. Links

- [GitHub](https://github.com/)
- https://github.com/

## 4. Images

![Sample Image](https://picsum.photos/200)

## 5. Code Blocks

### Indented Code Block:

    This is an indented code block.

### Fenced Code Block:

```python
def hello_world():
    print("Hello, World!")
```

## 6. Lists

### Unordered List

- Item 1
- Item 2
  - Subitem 1
  - Subitem 2

### Ordered List

1. First item
2. Second item
3. Third item

## 7. Blockquotes

> This is a blockquote.
> 
> - Nested list inside blockquote.
> - Another item.

## 8. Tables

| Header 1 | Header 2 | Header 3 |
|----------|----------|----------|
| Row 1 Col 1 | Row 1 Col 2 | Row 1 Col 3 |
| Row 2 Col 1 | Row 2 Col 2 | Row 2 Col 3 |

## 9. Strikethrough

This is ~~strikethrough~~ text.

## 10. Task Lists

- [x] Task 1 (Completed)
- [ ] Task 2 (Not completed)

## 11. HTML Blocks

<p>This is a custom HTML block inside markdown.</p>

## 12. LaTeX Test

$$ P = m \times \vec{g} $$