How to convert multimeter into high precision milliohmmeter

Using LM317 IC, make a multimeter into a high precision milliohmmeter step by step. The accuracy up to 0.1mΩ.
Material List:
LM317 x 1
20Ω resistor x 1
100Ω variable resistor x 1
2.2uF capacitor x 1
DC socket x 1
binding post(2P) x 1
LCR clamp x 2
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