{
  "cases": [
    {
      "property": "total",
      "description": "Two groups of four and a group of five",
      "comments": ["Suggested grouping, [[1,2,3,4],[1,2,3,5],[1,2,3,4,5]]. Solutions can pass all the other tests if they just try to group without using any groups of 5. This test case breaks that since it requires both 4-groups and 5-groups."],
      "input": {
        "basket": [1,1,1,2,2,2,3,3,3,4,4,5,5]
      },
      "expected": 8120
    },
    {
      "property": "total",
      "description": "Shuffled book order",
      "comments": ["Suggested grouping, [[1,2,3,4],[1,2,3,5],[1,2,3,4,5]]. All the other tests give the books in sorted order.  Robust solutions should be able to handle any order"],
      "input": {
        "basket": [1,2,3,4,5,1,2,3,4,5,1,2,3]
      },
      "expected": 8120
    }
  ]
}
