11. Vector Concatenation

How do you plan to solve it?

module concat8_packer(
    input [3:0] A,
    input [1:0] B,
    input  C,
    input  D,
    output [7:0] OUT
);

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



endmodule