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={
    A[3:0],
    B[1:0],
    ~C,
    D
};
endmodule