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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

              <div id="main">
  <div id="inner">
    </div> <!-- end col xs 12-->
</div> <!--end main -->
function sym(arguments) {

   args = Array.prototype.slice.call(arguments);// creates array of arguments
    var firstArg = flatten(args[0]).reduce(function(a,b){// takes the first arg and removes duplicates
      if (a.indexOf(b) < 0 ) {
      } return a;

     var secondArg = flatten(args[1]).reduce(function(c,d){// takes the second arg and removes duplicates
      if (c.indexOf(d) < 0 ) {
      return c;

    //console.log("firstArg = " + firstArg + " Two = " + secondArg);
    argsCombo = one.concat(secondArg);// combines the firstArg & secondArg into one single array
    function flatten(arr) {// used to flatten the arrays so they don't look like this: [[2]] etc.
        return arr.reduce(function (flat, toFlatten) {
          return flat.concat(Array.isArray(toFlatten) ? flatten(toFlatten) : toFlatten);
        }, []);
   var args2 = flatten(argsCombo);// this takes the 1st and second arguments that have already been combined and flattens them into one array
    //console.log("args2 = " + args2);

      var args3= args2.filter(function (value, index, array) {// this filters the combined array to remove any duplicate numbers;
               var counter = 0;
                for(var i=0; i<array.length; i++) {
                     if(value === array[i]) {
                     counter += 1;
                if(counter === 1 || 0) {
                    return true;
        //console.log("args3 = " + args3);
        //console.log("Leftover args =" + Array.prototype.slice.call(arguments,2));
      if(args.length < 2){// this if statement is supposed to stop the function when all of the arguments have been passed through
          return args3;
      } else {
        //console.log("sym\("+ args3 +", " + args.slice(2) + "\);");
         return sym(args3, args[2]);// then it calls itself with the previous combined and duplicate removed array as the first argument and the remaining arguments following;  


console.log(sym([3, 3, 3, 2, 5], [2, 1, 5, 7], [3, 4, 6, 6], [1, 2, 3], [5, 3, 9, 8], [1])); // 1, 2, 4, 5, 6, 7, 8, 9

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