{ "name": "Random Walks", "order": 23, "challenges": [ { "id": "59a5801209a6acac5983b724", "title": "Random walks in Euclidean space", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983b400", "title": "Gambler's Ruin", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] }, { "id": "59a5801209a6acac5983b401", "title": "Arc Sine laws", "description": [ "" ], "challengeSeed": [ "" ], "tests": [ "" ] } ] }