public Iterable<MutableBlockPos> getCandidates(EntityPlayer player, BlockPos pos, EnumFacing side) {

	int x = pos.getX(), y = pos.getY(), z = pos.getZ();
	int minX = x-1, minY = y-1, minZ = z-1;
	int maxX = x+1, maxY = y+1, maxZ = z+1;

	switch (side.getAxis()) {
		case X: minX = maxX = x; break;
		case Y: minY = maxY = y; break;
		case Z: minZ = maxZ = z; break;
	}

	return BlockPos.mutablesBetween(minX, minY, minZ, maxX, maxY, maxZ);
}