{
  "language": "Haskell",
  "active": true,
  "solution_pattern": "example.*[.]hs",
  "ignore_pattern": "example",
  "exercises": [
    {
      "uuid": "c97d9dda-c7ee-4595-b447-693559d03ba5",
      "slug": "hello-world",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "0ad7d756-1cbd-44f4-a64f-0dc7e9eb40f4",
      "slug": "leap",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "6cbb7841-9d96-4528-88e3-6e98a450fd7c",
      "slug": "space-age",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "e570c730-12e5-4b9e-adb0-eae85360e1b5",
      "slug": "bob",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "42cb6880-0c4b-4455-815b-aac94c05db18",
      "slug": "pangram",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "6eba4eac-8395-4ad6-ac21-3651a11ab4b5",
      "slug": "run-length-encoding",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "6eba4eac-8395-4ad6-ac21-3651a11ab4b4",
      "slug": "collatz-conjecture",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "Maybe",
        "Number Theory"
      ]
    },
    {
      "uuid": "6eba4eac-6665-4ad6-ac21-3651a11ab4b4",
      "slug": "isogram",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "cd5ce9ad-b627-46e3-b6d8-872baf476bf1",
      "slug": "rotational-cipher",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
      ]
    },
    {
      "uuid": "85d77b8e-9b87-4d02-9fba-81f843bd66f1",
      "slug": "rna-transcription",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "e125a32e-60ca-4e59-ae35-01f3b1907ccd",
      "slug": "sum-of-multiples",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "Number Theory"
      ]
    },
    {
      "uuid": "c8953b81-97f2-4c26-b2b8-aa7ef95c5ff1",
      "slug": "difference-of-squares",
      "core": false,
      "unlocked_by": null,
      "difficulty": 1,
      "topics": [
        "Number Theory"
      ]
    },
    {
      "uuid": "40d4aa74-6e4a-4579-810e-b4430bc172e8",
      "slug": "diamond",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
      ]
    },
    {
      "uuid": "4e10e864-2fe4-4926-b908-f70645698999",
      "slug": "complex-numbers",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "Define type",
        "Number Theory"
      ]
    },
    {
      "uuid": "197a543c-d9c7-41c3-814c-4b1ece3db568",
      "slug": "grains",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "Maybe",
        "Number Theory"
      ]
    },
    {
      "uuid": "4b5b2254-1c68-449a-8150-c1d33b8de9d1",
      "slug": "acronym",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
      ]
    },
    {
      "uuid": "30686585-eb09-4514-8b2e-c9a0d9983133",
      "slug": "hamming",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "00feb0e9-ae1e-43fc-a0ea-8f2d0d0b9f49",
      "slug": "nucleotide-count",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "Either"
      ]
    },
    {
      "uuid": "ba13fdf3-9a36-4286-8b78-75964d1aa373",
      "slug": "grade-school",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
        "Define type"
      ]
    },
    {
      "uuid": "8082b1fb-7e3b-4a7f-b857-479bdb0d65e3",
      "slug": "etl",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
      ]
    },
    {
      "uuid": "39d5aa74-6e4a-4579-810e-b4430bc172e8",
      "slug": "raindrops",
      "core": false,
      "unlocked_by": null,
      "difficulty": 2,
      "topics": [
      ]
    },
    {
      "uuid": "5c5a9256-a55e-4bda-baf3-96d052732e11",
      "slug": "accumulate",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
        "Lazy evaluation",
        "Library reimplementation"
      ]
    },
    {
      "uuid": "b66851aa-c05e-4a52-aaab-387f193c1dc7",
      "slug": "strain",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
        "Lazy evaluation",
        "Library reimplementation"
      ]
    },
    {
      "uuid": "fd372449-0f01-4b2c-b42d-b56ede6f58fe",
      "slug": "phone-number",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "382e4fbd-99d6-400b-962c-ebb4a411bcea",
      "slug": "beer-song",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
        "Refactoring"
      ]
    },
    {
      "uuid": "28bf351c-0417-4113-83c9-e1e00992cd37",
      "slug": "triangle",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
        "Number Theory"
      ]
    },
    {
      "uuid": "7157a846-5846-47a4-97c2-daad7f763512",
      "slug": "scrabble-score",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
      ]
    },
    {
      "uuid": "f3e12dd1-d3c7-4955-975f-bfc471d689c7",
      "slug": "kindergarten-garden",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
      ]
    },
    {
      "uuid": "c456adbd-fa8c-4ffe-aa8c-60a1fd1f429e",
      "slug": "robot-simulator",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
        "Define type"
      ]
    },
    {
      "uuid": "36d2d7f0-8e9c-4493-979c-080f7067494f",
      "slug": "secret-handshake",
      "core": false,
      "unlocked_by": null,
      "difficulty": 3,
      "topics": [
      ]
    },
    {
      "uuid": "67c53230-82e8-4207-a811-abec27bef381",
      "slug": "anagram",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
      ]
    },
    {
      "uuid": "896dfe3d-f3c9-4c42-bc8d-8de49a8c7766",
      "slug": "simple-linked-list",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Define type",
        "Library reimplementation"
      ]
    },
    {
      "uuid": "fd106381-478d-43b0-bdd2-c39e7044e01a",
      "slug": "list-ops",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Accumulator-strictness",
        "Library reimplementation"
      ]
    },
    {
      "uuid": "01401d15-6667-4f94-bcd2-ec5a70df1cc6",
      "slug": "meetup",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
      ]
    },
    {
      "uuid": "1c575894-ea99-4443-90c2-8172eaff7fea",
      "slug": "roman-numerals",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "8cc9254d-cda5-4a7d-ad50-921a99f1432d",
      "slug": "prime-factors",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Number Theory"
      ]
    },
    {
      "uuid": "3630c60f-3e18-42c2-bce4-10dc62d11b25",
      "slug": "allergies",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
      ]
    },
    {
      "uuid": "69b6b2d8-7d28-4fa1-84af-3c41857c1d16",
      "slug": "all-your-base",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "5f92b1d3-b2cb-463e-b6da-347473ef4c30",
      "slug": "largest-series-product",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "fa84dc6c-a212-431a-b4c1-752be5c99af7",
      "slug": "clock",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Define type",
        "instance Num"
      ]
    },
    {
      "uuid": "46502471-d2f8-4f25-a220-55b0caff435c",
      "slug": "matrix",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Define type"
      ]
    },
    {
      "uuid": "2ab43e18-085b-4493-b51d-71274481d960",
      "slug": "house",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Refactoring"
      ]
    },
    {
      "uuid": "ff0a20ef-1828-42f1-8c10-4bf53b488993",
      "slug": "pascals-triangle",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Number Theory"
      ]
    },
    {
      "uuid": "eb01573e-36bb-4093-bf16-4bccd8a36909",
      "slug": "pythagorean-triplet",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Number Theory"
      ]
    },
    {
      "uuid": "00b6c83b-e652-4f71-a094-b3034f77fd7b",
      "slug": "saddle-points",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
      ]
    },
    {
      "uuid": "4c111498-9248-4f4a-9950-98fdac736d3b",
      "slug": "series",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
      ]
    },
    {
      "uuid": "1ed4a7af-76eb-4b42-89b2-dcb97e509443",
      "slug": "sieve",
      "core": false,
      "unlocked_by": null,
      "difficulty": 4,
      "topics": [
        "Number Theory"
      ]
    },
    {
      "uuid": "4b6d04f4-8cfc-4d8a-ac6e-77f3889f27c3",
      "slug": "atbash-cipher",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
      ]
    },
    {
      "uuid": "be179655-b1a2-4e57-a3f1-4834c467ef41",
      "slug": "bracket-push",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
        "Stack"
      ]
    },
    {
      "uuid": "dde7cf64-7e3b-4e5c-8a65-5d639fa8a307",
      "slug": "crypto-square",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
      ]
    },
    {
      "uuid": "ddfc0435-5378-4865-bbcb-a07754014db4",
      "slug": "nth-prime",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
        "Maybe",
        "Number Theory"
      ]
    },
    {
      "uuid": "5d36ba0a-3c57-471a-8956-e324e0384183",
      "slug": "word-count",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
      ]
    },
    {
      "uuid": "91887e6e-e935-441a-9cd1-754a877dc2be",
      "slug": "binary-search-tree",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
        "Define type",
        "Maybe"
      ]
    },
    {
      "uuid": "a602f191-581d-48ea-9441-1d6e8a51e71c",
      "slug": "luhn",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
      ]
    },
    {
      "uuid": "7e1cd145-0bdb-4f52-89e3-b21f98068a1f",
      "slug": "queen-attack",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "90ac04fb-42d3-4666-b26a-2279057f6ef2",
      "slug": "ocr-numbers",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
      ]
    },
    {
      "uuid": "0b6af91e-8e1f-4ca5-bf30-53b427638e2b",
      "slug": "food-chain",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
        "Refactoring"
      ]
    },
    {
      "uuid": "781325ec-c772-4b56-80b0-2c56c5953122",
      "slug": "spiral-matrix",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
      ]
    },
    {
      "uuid": "c875009a-c8a0-47d0-bef6-d6f278565fe5",
      "slug": "custom-set",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
        "Define type",
        "Library reimplementation"
      ]
    },
    {
      "uuid": "a3442b20-e2a7-4fc6-8bff-0e61d25b2bf3",
      "slug": "parallel-letter-frequency",
      "core": false,
      "unlocked_by": null,
      "difficulty": 5,
      "topics": [
      ]
    },
    {
      "uuid": "2429b6d1-2ce8-487e-b0f7-a4d11970e6bd",
      "slug": "simple-cipher",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
        "IO monad",
        "Random",
        "Mutable state"
      ]
    },
    {
      "uuid": "3a0f1014-8829-4b7e-aab7-f23f2fad22a2",
      "slug": "palindrome-products",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
      ]
    },
    {
      "uuid": "aec901e4-482f-4f00-8a26-a0c09fdb1365",
      "slug": "robot-name",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
        "Define type",
        "IO monad",
        "Random"
      ]
    },
    {
      "uuid": "03bb14fb-d677-47fb-b283-b79c75c93855",
      "slug": "pig-latin",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
      ]
    },
    {
      "uuid": "76384e4a-3d3e-4369-9a0d-55c47f91f17e",
      "slug": "say",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "44f2cb4d-1965-4d11-9373-bc3b5a624a8c",
      "slug": "bank-account",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
        "Define type",
        "IO monad",
        "Maybe",
        "Mutable state"
      ]
    },
    {
      "uuid": "f49d76f7-f826-4b6a-a514-47af7e84144a",
      "slug": "sublist",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
      ]
    },
    {
      "uuid": "34b8a4fe-6761-4675-a5a9-e8c92c93fd8f",
      "slug": "linked-list",
      "core": false,
      "unlocked_by": null,
      "difficulty": 6,
      "topics": [
        "Define type",
        "IO monad",
        "Library reimplementation",
        "Maybe",
        "Mutable state"
      ]
    },
    {
      "uuid": "893da7e3-1e7f-48d0-a8c2-8d84b9ec064f",
      "slug": "zebra-puzzle",
      "core": false,
      "unlocked_by": null,
      "difficulty": 7,
      "topics": [
      ]
    },
    {
      "uuid": "821f2081-dfc2-40c6-8e12-2907daa04416",
      "slug": "minesweeper",
      "core": false,
      "unlocked_by": null,
      "difficulty": 7,
      "topics": [
      ]
    },
    {
      "uuid": "0869734e-0629-4db9-8e62-af246e5f91ff",
      "slug": "wordy",
      "core": false,
      "unlocked_by": null,
      "difficulty": 7,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "5af27112-48f2-423c-9607-03911ccc8049",
      "slug": "change",
      "core": false,
      "unlocked_by": null,
      "difficulty": 7,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "154c2191-7746-497c-bf4e-37a5a5ffbb0b",
      "slug": "alphametics",
      "core": false,
      "unlocked_by": null,
      "difficulty": 7,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "cf896e0f-7971-4a4e-a164-412dd9176573",
      "slug": "bowling",
      "core": false,
      "unlocked_by": null,
      "difficulty": 7,
      "topics": [
        "Either"
      ]
    },
    {
      "uuid": "2c009c74-fbf2-49f7-b626-0d9da10c18ea",
      "slug": "connect",
      "core": false,
      "unlocked_by": null,
      "difficulty": 8,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "14f8190f-c711-4399-b176-6efc5e3e71d1",
      "slug": "dominoes",
      "core": false,
      "unlocked_by": null,
      "difficulty": 8,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "033adeae-d94a-4832-ae99-8dd98acd6044",
      "slug": "sgf-parsing",
      "core": false,
      "unlocked_by": null,
      "difficulty": 9,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "8f1854d7-b8cb-4dfa-9e6a-8811b0891798",
      "slug": "go-counting",
      "core": false,
      "unlocked_by": null,
      "difficulty": 9,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "056d6e6c-4d07-4bc0-b0d0-fb76a9ec8672",
      "slug": "lens-person",
      "core": false,
      "unlocked_by": null,
      "difficulty": 9,
      "topics": [
      ]
    },
    {
      "uuid": "e585c482-2088-40bf-bc97-bc6fac6a7a72",
      "slug": "zipper",
      "core": false,
      "unlocked_by": null,
      "difficulty": 10,
      "topics": [
        "Define type",
        "Maybe"
      ]
    },
    {
      "uuid": "04c86a05-4d34-4a20-9489-db744c205bb6",
      "slug": "forth",
      "core": false,
      "unlocked_by": null,
      "difficulty": 10,
      "topics": [
        "Define type",
        "Either",
        "Stack"
      ]
    },
    {
      "uuid": "010582a2-4c44-44fb-ac6b-bf1546d303a3",
      "slug": "pov",
      "core": false,
      "unlocked_by": null,
      "difficulty": 10,
      "topics": [
        "Maybe"
      ]
    },
    {
      "uuid": "48ca1682-ca1b-4a2c-be55-624620f336a7",
      "slug": "binary",
      "deprecated": true
    },
    {
      "uuid": "317ef3e7-67ce-4940-bc90-eed1c4a27c19",
      "slug": "gigasecond",
      "deprecated": true
    },
    {
      "uuid": "964c07aa-abca-49b8-8428-1b81ee39066d",
      "slug": "hexadecimal",
      "deprecated": true
    },
    {
      "uuid": "2566f8ee-28cf-4429-9ced-42759c810d7c",
      "slug": "octal",
      "deprecated": true
    },
    {
      "uuid": "d5997b60-e54c-4caa-beae-8614f0da3fb3",
      "slug": "trinary",
      "deprecated": true
    }
  ],
  "foregone": [

  ]
}