Arrow puzzle noteblock->lightstone then trigger nearby memory blocks

gistfile1.txt

pinv = player.getInventory()
redck = 4
var ppos = player.getPosition();
var px = Math.round(ppos.x);
var py = Math.round(ppos.y);
var pz = Math.round(ppos.z);

for each (var entity in player.getEntitiesWithinRange(50))
{
	if(entity.classType == "Arrow")
	{
		if(entity.isPlayersArrow && entity.inBlockID == 25)
		{
			blockCoord = entity.inBlockCoords
			world.setBlockID(blockCoord.x, blockCoord.y, blockCoord.z,89)
			entity.isPlayersArrow = false
				for (var i = blockCoord.x - redck; i < blockCoord.x + redck; i++)
						{
							for (var j = blockCoord.y - redck; j < blockCoord.y + redck; j++)
								{
									for (var k = blockCoord.z - redck; k < blockCoord.z + redck; k++)
										{
										var id = world.getBlockID(i,j,k);
										if (id == 108)	
										{
										world.triggerBlock(i,j,k);
										}
										}
								}
						}
	}
}

}