<svg xmlns="http://www.w3.org/2000/svg" height="512" width="512">
  <g fill-rule="evenodd">
    <path d="M0 0l255.999 255.999L0 511.998zM511.998 0L255.999 255.999l255.999 255.999z"/>
    <path d="M0 0l255.999 255.999L511.998 0zM0 511.998l255.999-255.999 255.999 255.999z" fill="#090"/>
    <path d="M511.998 0h-47.701L0 464.297v47.701h47.701L511.998 47.701z" fill="#fc0"/>
    <path d="M0 0v47.703L464.297 512h47.701v-47.701L47.701.002z" fill="#fc0"/>
  </g>
</svg>