Dominic System for memorizing long numbers

I want to memorize the number/sequence [LONG NUMBER] using the Dominic System. Teach me the method: how to associate each pair of digits with a person (initials) and an action, how to chain them into a story or mental route, and how to retrieve them later. Apply it to my number, building the associations with me step by step. Goal: to memorize long numerical sequences reliably.