app/assets/images/flags/sjm.svg
<svg xmlns="http://www.w3.org/2000/svg" width="1100" height="800"><path fill="#ef2b2d" d="M0 0h1100v800H0z"/><path fill="#fff" d="M300 0h200v800H300z"/><path fill="#fff" d="M0 300h1100v200H0z"/><path fill="#002868" d="M350 0h100v800H350z"/><path fill="#002868" d="M0 350h1100v100H0z"/></svg>