In circuit 1605, each of said secondary inputs (such as 1611) is further comprised of an output of a previous K-LUT circuit (such as 1601), said K-LUT circuit comprising: a LUT output (same as 1611); and K inputs (such as C & D), wherein K is an integer value greater than or equal to one, and each said K inputs received in true and compliment logic levels; and 2K LUT values (such as crossed-circle