A chiasm is a literary structure where the words of the first section of a passage are repeated in reverse order in the second. Typically whatever is in the center of the chiasm is what is being emphasized. In Leviticus 26:39, the emphasis is on the curses for their past iniquity. https://www.howthebiblefitstogether.org/files/Lev-26.39a-Chiasm.pdf

A chiasm is a literary structure where the words of the first section of a passage are repeated in reverse order in the second. Typically whatever is in the center of the chiasm is what is being emphasized. In Leviticus 29:29 the emphasis is on the curse of their eating the flesh of their sons

A chiasm is a literary structure where the words or themes of the first section of a passage are repeated in reverse order in the second. In Leviticus 26:21-28 there are two adjoining chiasms with Leviticus 56:23-24 being part of both of them. https://www.howthebiblefitstogether.org/files/Lev-26.21-28a-Chiasm.pdf