Leviticus Chapters 3 & 4 read the weeks of November , Friday 2 and Tuesday 13th

(Leviticus 3) When his offerering is a sacrifice of peace offering, if he offers it of the herd, whether male or female, he shall offer it without blemish, before the Lord.  And he shall lay his hand on the head of his offering, and kill it at the door of the tabernacler of meetings; and Aaron's, the priests, shall sprinkle the blood all round on the altar.

(Leviticus 4) Now the Lord spoke to Moses, saying, "Speak to the children of Israel, saying: If a persons sins unintentionally against any of the commandments of the Lord in anything which ought not to be done, and does any of them....................