<svg width="500" height="150">
  <style>
    rect {
      -moz-transform-origin: 75px 75px;
      transform-origin: 50% 50%;
    }
  </style>
  <rect id="deepPink-rectangle" width="50" height="50" x="50" y="50" fill="deepPink" />
  
  <animateTransform 
           xlink:href="#deepPink-rectangle"
           attributeName="transform" 
           attributeType="XML"
           type="rotate"
           from="0 75 75"
           to="360 75 75" 
           dur="2s"
           begin="0s; 5s; 9s; 17s;"
           end="2s; 8s; 15s; 25s;"
           fill="freeze" 
           restart="whenNotActive"
           />
  
</svg>

svg {
  border: 3px solid #eee;
  display: block;
  margin: 1em auto;
}