{ "name": "Groups", "order": 3, "challenges": [ { "id": "59a5801209a6acac5983b623", "title": "Integer equivalence classes and symmetries", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a993", "title": "Definitions and examples", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983a994", "title": "Subgroups", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }