How to clean install 10.13.3?

How do I clean install 10.13.3? Ive tried a few installations, from 10.13.1 to 10.13.3. But the os is always 10.13.6 after installation. I'm trying to flash my newly bought Asus 10gbe card and hence the need for 10.13.3 specifically.

Please help.

submitted by /u/fs9019
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