using System.Timers;


while (Run) {
Timer timer = new Timer(15);
long? lastTileId = null;
timer.Elapsed += async (sender, e) =>
{
    try
    {
        timer.Stop();

        var targetCoordinates = new List<(int X, int Y)>
        {
            (3,9), (13,8), (14,6), (14,7), (14,8), (14,9), (15,5), (15,6), (15,7),
            (15,8), (15,9), (15,10), (16,4), (16,5), (16,6), (16,7), (16,8), (16,9),
            (16,10), (16,11), (17,4), (17,5), (17,6), (17,7), (17,8), (17,9), (17,10),
            (17,11), (17,12), (18,5), (18,6), (18,7), (18,8), (18,9), (18,10), (18,11),
            (18,12), (19,6), (19,7), (19,8), (19,9), (19,10), (19,11), (20,7), (20,8),
            (20,9), (20,10), (20,11), (21,8), (21,9)
        };

        var tiles = FloorItems.NamedLike("Sphere Block")
            .Where(tile => targetCoordinates.Contains((tile.Location.X, tile.Location.Y)) && tile.Location.Z < 1)
            .ToList();

        foreach(var tile in tiles) 
        {
            if(lastTileId != tile.Id)
            {
                Send(Out["ClickFurni"], tile.Id, 0);
                lastTileId = tile.Id;
            }
        }
    }
    finally
    {
        timer.Start();
    }
};

timer.Start();

};