gistfile1.txt

const show = (children) => 
  <svg style={{border:'1px solid #ccc', height:500}}>{children}</svg>

const circles = _.range(20).map(x => {
 return <circle 
          cx={25 + x * 25}
          cy={x % 2 == 0 ? 45 : 20} 
          fill="black" 
          r={10} />
});

const squares = _.range(20).map(x => {
  return <rect 
           x={x * 25} 
           y={200} 
           width={20} 
           height={20} 
           fill="black"/>
});


show(circles.concat(squares));