for(var i = 0; i < data.length; i++){
   var waypoints = [];
   for(var j = 0; j < data[i].length; j++){
       fs.push(L.latLng(coords[data[i][j]][0], coords[data[i][j]][1]));
   }
   if (fs.length > 2){
   L.Routing.control({
           waypoints:waypoints,
           lineOptions:{styles:[{color: colorArray[i]}]},
           show: false,
       }).addTo(map);
   }
}