``XXXXX`````````XX``XX`````XX``XXXXXXXX`
`X`````X````````XX``XXX```XXX```````XX``
`X`````X````````XX``XXXX`XXXX``````XX```
``XXXXXX````````XX``XX`XXX`XX`````XX````
```````X``XX````XX``XX`````XX````XX`````
`X`````X``XX````XX``XX`````XX```XX``````
``XXXXX````XXXXXX```XX`````XX``XXXXXXXX`