¹ Then the Lord said to Moses and Aaron, “Take handfuls of soot ²  from a furnace, and have Moses throw it ³  into the air while Pharaoh is watching. ⁴ 

and must slaughter it on the north side of the altar before the Lord, and the sons of Aaron, the priests, will splash its blood against the altar’s sides.

He must lay his hand on the head of his offering and slaughter it at the entrance of the Meeting Tent, and the sons of Aaron, the priests, must splash the blood against the altar’s sides. ¹ 

lay his hand on its head, and slaughter it before the Meeting Tent, and the sons of Aaron must splash its blood against the altar’s sides.

Then the one presenting the offering ¹  must slaughter the bull ²  before the Lord, and the sons of Aaron, the priests, must present the blood and splash ³  the blood against the sides of the altar which is at the entrance of the Meeting Tent.

He must lay his hand on the head of his offering and slaughter it before the Meeting Tent, and the sons of Aaron must splash ¹  its blood against the altar’s sides.