"The problem lies with how the term "Instruction Groups" was originally intended from the applicant (Us)"

My Bad, the problem lies with an admendment we made trying to avoid prior art issues. See Below

The defendants argue that the specification states that “operands must be right justified in the instruction register.” ‘584 patent, 16:15-16. In addition, the defendants argue that the applicants limited operands in this manner to overcome prior art rejections. See Amendment, June 17, 1997, at 13; Amendment, February 5, 1998,