var e = [[2,4,3,4,2],[1,5,3,6,2],[2,4,3,4,1],[1,4,3,6,1],[2,4,3,6,5]];
  var i; //id of entry to check
  var j; //id of element to check
  var k; //id of entry to compare

  for (i in e){ //2D ARRAY ARRAY
      for (k in e){ //ELEMENT TO COMPARE
           if (e[i][2] === e[k][2] && e[i][3] === e[k][3] && e[i][0] && e[i][0] >= e[k][0] && e[i][1] <= e[k][1] && e[i][4] <= e[k][4] &&  i !=k){
             e.splice(i,1);
             continue;
           }
      }
  }
  return e;