diff --git a/diagram/not_gate.drawio b/diagram/not_gate.drawio
new file mode 100644
index 0000000..0dedbe7
--- /dev/null
+++ b/diagram/not_gate.drawio
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+<mxfile host="Electron" modified="2022-05-18T02:31:39.895Z" agent="5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/16.5.1 Chrome/96.0.4664.110 Electron/16.0.7 Safari/537.36" etag="5aePQkRfDbL3iX_-vj2W" version="16.5.1" type="device"><diagram id="k4YY2W4VOJ1SSicnH8f-" name="第 1 页">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</diagram></mxfile>
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