``XXXXX````XXXXXX````XX`````XX``XX````XX`
`X`````X``XX````XX```XX`````XX```XX``XX``
```````X``XX`````````XX`````XX````XXXX```
``XXXXX```XX```XXXX``XX`````XX`````XX````
`X````````XX````XX````XX```XX``````XX````
`X````````XX````XX`````XX`XX```````XX````
`XXXXXXX```XXXXXX```````XXX````````XX````