What is the maximum number of items in a frequent itemset identified by the Apriori algorithm in this dataset?

What is the maximum number of items in a frequent itemset identified by the Apriori algorithm in this dataset?: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - GroceryStoreDataSet.csv