God said, "Mortal man, get a brick, put it in front of you, and scratch lines on it to represent the city of Jerusalem.
Then, to represent a siege, put trenches, earthworks, camps, and battering rams all around it.
Take an iron pan and set it up like a wall between you and the city. Face the city. It is under siege, and you are the one besieging it. This will be a sign to the nation of Israel.
"Then lie down on your left side, and I a will place on you the guilt of the nation of Israel. For 390 days you will stay there and suffer because of their guilt. I have sentenced you to one day for each year their punishment will last.
When you finish that, turn over on your right side and suffer for the guilt of Judah for forty days - one day for each year of their punishment.