SQLQuokkaSQLQuokkaRegional marketing teams target high-value buyers relative to their geographic peer groups. Write a query to find all customers whose total lifetime spend exceeds the average total spend of all purchasing customers residing in their own city. Return `customer_id`, `customer_name`, `city`, `total_spend`, and `avg_city_spend` (rounded to 2 decimal places). Order the results by `city ASC`, then `total_spend DESC`, and finally `customer_id ASC`.
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