This page of IGN's wiki for Madison explains how to solve the Lock Code found in the Ritual Room of Luca's House, discovered very early on. As such
Lock Code Solution - Madison Guide - IGN
Madison All Codes & Passwords — 100% Guides
MADiSON: Complete Walkthrough All Puzzles, Lock Codes & Safe Combinations
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Madison crime scene lock puzzle solution and how to open the crime scene well
MADiSON Walkthrough and Guide - Neoseeker
How to solve the Clock Puzzle in Madison
MADiSON Walkthrough and Guide - Neoseeker
Madison All Safe Codes & Passwords
MADiSON Walkthrough and Guide - Neoseeker
Madison crime scene lock puzzle solution and how to open the crime scene well
Madison Guide - IGN
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