Everything fits:

>! [![enter image description here][1]][1]

Text version of the answer:
>! <pre>
>!    ................M  
>!    ............MMMCD  
>!    ....MMMX....M...C  
>!    ......X.M.MMMV..C  
>!    ....M.CML.M.C....  
>!    ...MMDV.X.M.MMCM.  
>!    ..M.D..MXCI....M.  
>!    .MMML..C....M..M.  
>!    ..I....M....MMMD.  
>!    MCXC..MLIV..M..C.  
>!    .X....C.....D....  
>!    XLIX..M.MMMDIII..  
>!    ......V.....V....  
>! </pre>


  [1]: https://i.sstatic.net/fzMNo.png