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 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.
References for Ezekiel 4:4
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.
"Fix your eyes on the siege of Jerusalem. Shake your fist at the city and prophesy against it.