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,D,
    output [7:0] OUT
);

assign OUT[7:4] = A;
assign OUT[3:2] = B;
assign OUT[1]   = ~C;
assign OUT[0]   = D;
endmodule