module channel(
    finput [3:0] cel_ins, [7:0] cell_media,
    foutput [3:0] cell_outs, [7:0] waste);

    channel channel1 (.cell_media(cell_media[1:0]), .cell_in(cell_in[0]), .waste(waste[1:0]), .cell_out(cell_outs[0]));
    channel channel2 (.cell_media(cell_media[3:2]), .cell_in(cell_in[1]), .waste(waste[3:2]), .cell_out(cell_outs[1]));
    channel channel3 (.cell_media(cell_media[5:4]), .cell_in(cell_in[2]), .waste(waste[5:4]), .cell_out(cell_outs[2]));
    channel channel4 (.cell_media(cell_media[7:6]), .cell_in(cell_in[3]), .waste(waste[7:6]), .cell_out(cell_outs[3]));




)
endmodule