"Now you, son of man, take a brick, set it in front of you, and draw the city of Jerusalem on it.
References for Ezekiel 4:1
Then lay siege against it: construct a siege wall, build a ramp, pitch military camps, and place battering rams against it on all sides.
Take an iron plate and set it up as an iron wall between yourself and the city. Turn your face toward it so that it is under siege, and besiege it. This will be a sign for the house of Israel.
"Then lie down on your left side and place the iniquity of the house of Israel on it. You will bear their iniquity for the number of days you lie on your side.
References for Ezekiel 4:4
For I have assigned you the years of their iniquity according to the number of days [you lie down], 390 days; so you will bear the iniquity of the house of Israel.
When you have completed these days, lie down again, but on your right side, and bear the iniquity of the house of Judah. I have assigned you 40 days, a day for each year.