When I use scrape brush on right side, that's okay.

[![](https://i.stack.imgur.com/Rd48l.png)](https://i.stack.imgur.com/Rd48l.png)

But let's go into next photo.

[![enter image description here](https://i.stack.imgur.com/EgdXR.png)](https://i.stack.imgur.com/EgdXR.png)

This is result of the other side from mirror x axis. This is problem. 

I would expect to show me the same result. 

Why did this happen, and how can I solve it? 

[![enter image description here](https://i.stack.imgur.com/yYpCk.png)](https://i.stack.imgur.com/yYpCk.png)

[![**enter image description here**](https://i.stack.imgur.com/TvUA2.png)](https://i.stack.imgur.com/TvUA2.png)

[![enter image description here](https://i.stack.imgur.com/Isi5R.png)](https://i.stack.imgur.com/Isi5R.png)

These are the brush currently setting. 

* This this is the topology of the esh in edit mode

[![enter image description here](https://i.stack.imgur.com/9AW02.png)](https://i.stack.imgur.com/9AW02.png)

[![enter image description here](https://i.stack.imgur.com/XjF8l.png)](https://i.stack.imgur.com/XjF8l.png)