He is to examine the infection, and if ¹  the infection in the walls of the house consists of yellowish green or reddish eruptions, ²  and it appears to be deeper than the surface of the wall, ³ 

The priest must return on the seventh day and examine it, and if ¹  the infection has spread in the walls of the house,

The priest must present it at the altar, pinch off ¹  its head and offer the head ²  up in smoke on the altar, and its blood must be drained out against the side of the altar.

Then he must sprinkle ¹  some of the blood of the sin offering on the wall of the altar, and the remainder of the blood ²  must be squeezed out at the base of the altar – it is a sin offering.