11. Vector Concatenation

How do you plan to solve it?

/*Write your code here*/
module concat8_packer(
    input [3:0]A,
    input [1:0]B,
    input C,
    input D,
    output wire [7:0]OUT
);
    assign OUT[7:0] = { A[3:0], B[1:0], ~C, D };
endmodule