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`timescale 1 ns / 1 ps
`default_nettype none
module top(output D1);
wire [1:0] buffers_in, buffers_out;
assign buffers_in = {buffers_out[0:0], ~buffers_out[1]};
SB_LUT4 #(
.LUT_INIT(16'd2)
) buffers [1:0] (
.O(buffers_out),
.I0(buffers_in),
.I1(1'b0),
.I2(1'b0),
.I3(1'b0)
);
wire random = ~buffers_out[1];
assign D1 = random;
endmodule // top
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