From 1e076321bcd41a58ff99e2b47a4db501766e0cec Mon Sep 17 00:00:00 2001
From: keiravillekode <keiravillekode@gmail.com>
Date: Wed, 25 Dec 2024 13:23:03 +1100
Subject: [PATCH] Sort exercises (#326)

Increased the difficulty of some exercises
---
 config.json | 559 ++++++++++++++++++++++++++--------------------------
 1 file changed, 279 insertions(+), 280 deletions(-)

diff --git a/config.json b/config.json
index d0e6984..c455a82 100644
--- a/config.json
+++ b/config.json
@@ -34,6 +34,24 @@
   },
   "exercises": {
     "practice": [
+      {
+        "slug": "accumulate",
+        "name": "Accumulate",
+        "uuid": "333c2cb9-f03c-473c-9eeb-096072a321b2",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 1,
+        "status": "deprecated"
+      },
+      {
+        "slug": "binary",
+        "name": "Binary",
+        "uuid": "225cfd7d-81a3-4a58-b1aa-1de2e40e7a93",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 1,
+        "status": "deprecated"
+      },
       {
         "slug": "hello-world",
         "name": "Hello World",
@@ -59,296 +77,295 @@
         "difficulty": 1
       },
       {
-        "slug": "scrabble-score",
-        "name": "Scrabble Score",
-        "uuid": "cc6e7e8d-84f8-4b85-8f5e-7a68b3b34b1f",
-        "practices": [],
-        "prerequisites": [],
-        "difficulty": 3
-      },
-      {
-        "slug": "space-age",
-        "name": "Space Age",
-        "uuid": "2dba41bc-5b83-4406-b2b3-6280c3e31ed7",
+        "slug": "acronym",
+        "name": "Acronym",
+        "uuid": "937616ce-696b-4845-b06c-365a58ca46d2",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 3,
+        "difficulty": 2,
         "topics": [
-          "floats"
+          "lists",
+          "strings",
+          "text_formatting"
         ]
       },
       {
-        "slug": "strain",
-        "name": "Strain",
-        "uuid": "e929f6cf-04f8-41dd-b333-69be7b06d857",
+        "slug": "affine-cipher",
+        "name": "Affine Cipher",
+        "uuid": "8a335321-d6fd-4d6c-bd77-4f5d878a5b3c",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 3,
+        "difficulty": 2,
         "topics": [
-          "lists"
+          "math"
         ]
       },
       {
-        "slug": "pangram",
-        "name": "Pangram",
-        "uuid": "d17ab3c6-82a1-413e-9018-8775ec9ea498",
+        "slug": "allergies",
+        "name": "Allergies",
+        "uuid": "7be1122c-33cd-40ed-a70f-c71a6713c47a",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 2
       },
       {
-        "slug": "collatz-conjecture",
-        "name": "Collatz Conjecture",
-        "uuid": "6170f05b-358b-487a-b5ae-4424af422d8e",
+        "slug": "armstrong-numbers",
+        "name": "Armstrong Numbers",
+        "uuid": "e1131c5f-f0a1-4cce-aa24-6fb4e265824a",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 2,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "isbn-verifier",
-        "name": "Isbn Verifier",
-        "uuid": "38a13f45-9e80-4322-b896-d2cf06add3f9",
+        "slug": "bob",
+        "name": "Bob",
+        "uuid": "4fb40e77-727b-41bc-ac15-b909a26bb917",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 3
+        "difficulty": 2
       },
       {
-        "slug": "kindergarten-garden",
-        "name": "Kindergarten Garden",
-        "uuid": "7d74175b-a2c6-4e77-a908-ebcbcf1e29b6",
+        "slug": "collatz-conjecture",
+        "name": "Collatz Conjecture",
+        "uuid": "6170f05b-358b-487a-b5ae-4424af422d8e",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 3
+        "difficulty": 2,
+        "topics": [
+          "math"
+        ]
       },
       {
-        "slug": "secret-handshake",
-        "name": "Secret Handshake",
-        "uuid": "55048224-25dc-4c91-b4f4-1ea1bacdd87f",
+        "slug": "darts",
+        "name": "Darts",
+        "uuid": "90237a3f-595a-4238-bcef-46d6f84b0945",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 3
+        "difficulty": 2
       },
       {
-        "slug": "matching-brackets",
-        "name": "Matching Brackets",
-        "uuid": "67108540-cdc3-46df-81f9-6bd8d3580575",
+        "slug": "difference-of-squares",
+        "name": "Difference of Squares",
+        "uuid": "580496d5-bec7-401d-b0cf-dc16da795491",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4,
+        "difficulty": 2,
         "topics": [
-          "stacks"
+          "math"
         ]
       },
       {
-        "slug": "matrix",
-        "name": "Matrix",
-        "uuid": "892922b8-1616-41f5-9faa-11eb0f776cce",
+        "slug": "eliuds-eggs",
+        "name": "Eliud's Eggs",
+        "uuid": "76d154fe-a39c-4d0e-a43a-f18e36388c83",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4,
-        "topics": [
-          "lists"
-        ]
+        "difficulty": 2
       },
       {
-        "slug": "run-length-encoding",
-        "name": "Run Length Encoding",
-        "uuid": "d9213e16-f49a-43c1-bae7-2e5283c512d4",
+        "slug": "flatten-array",
+        "name": "Flatten Array",
+        "uuid": "fb0a030d-33bc-4066-a30a-1b8b02cc42f1",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4
+        "difficulty": 2
       },
       {
-        "slug": "square-root",
-        "name": "Square Root",
-        "uuid": "8f79d2ac-2407-4bba-91a8-6a47737e7f36",
+        "slug": "grains",
+        "name": "Grains",
+        "uuid": "1759636a-eeb0-42e9-98af-01cf4c738700",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4,
+        "difficulty": 2,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "allergies",
-        "name": "Allergies",
-        "uuid": "7be1122c-33cd-40ed-a70f-c71a6713c47a",
+        "slug": "hamming",
+        "name": "Hamming",
+        "uuid": "ce5dd1a4-7c90-48e4-b260-d2b62f29fbaf",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 2
       },
       {
-        "slug": "binary",
-        "name": "Binary",
-        "uuid": "225cfd7d-81a3-4a58-b1aa-1de2e40e7a93",
+        "slug": "nucleotide-count",
+        "name": "Nucleotide Count",
+        "uuid": "4ce578b2-9cfb-498b-947f-79f97abeb224",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
-        "status": "deprecated"
+        "difficulty": 2
       },
       {
-        "slug": "accumulate",
-        "name": "Accumulate",
-        "uuid": "333c2cb9-f03c-473c-9eeb-096072a321b2",
+        "slug": "pangram",
+        "name": "Pangram",
+        "uuid": "d17ab3c6-82a1-413e-9018-8775ec9ea498",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
-        "status": "deprecated"
+        "difficulty": 2
       },
       {
-        "slug": "all-your-base",
-        "name": "All Your Base",
-        "uuid": "7e1d0e9a-435d-4dc6-8867-2fc4f9b7fe6f",
+        "slug": "pascals-triangle",
+        "name": "Pascal's Triangle",
+        "uuid": "bc381243-73cb-42bf-91d8-d33d6215e579",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 2,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "anagram",
-        "name": "Anagram",
-        "uuid": "216334c2-bdb5-481a-a22b-20ac088f20e9",
+        "slug": "rna-transcription",
+        "name": "RNA Transcription",
+        "uuid": "db3e09ee-6c93-417f-b0a0-196cdccf4984",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 2
       },
       {
-        "slug": "atbash-cipher",
-        "name": "Atbash Cipher",
-        "uuid": "0f488d4b-89da-4d1f-958b-a7b3171f43d5",
+        "slug": "raindrops",
+        "name": "Raindrops",
+        "uuid": "76b1e1d1-2360-487c-89be-37f9780540b7",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 2
       },
       {
-        "slug": "bob",
-        "name": "Bob",
-        "uuid": "4fb40e77-727b-41bc-ac15-b909a26bb917",
+        "slug": "resistor-color",
+        "name": "Resistor Color",
+        "uuid": "85f16b58-019f-44f7-bb33-b2903886f199",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 2
       },
       {
-        "slug": "diamond",
-        "name": "Diamond",
-        "uuid": "f7ea4ee6-cd34-4dc9-bd96-abcf940873f0",
+        "slug": "reverse-string",
+        "name": "Reverse String",
+        "uuid": "86d5a60a-fc44-443d-bc00-5c6265e736c4",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 2,
         "topics": [
           "lists",
-          "strings",
-          "text_formatting"
+          "strings"
         ]
       },
       {
-        "slug": "difference-of-squares",
-        "name": "Difference of Squares",
-        "uuid": "580496d5-bec7-401d-b0cf-dc16da795491",
+        "slug": "sum-of-multiples",
+        "name": "Sum of Multiples",
+        "uuid": "4bce27a8-2b91-4595-b6e6-d4be7e704113",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 2,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "flatten-array",
-        "name": "Flatten Array",
-        "uuid": "fb0a030d-33bc-4066-a30a-1b8b02cc42f1",
+        "slug": "triangle",
+        "name": "Triangle",
+        "uuid": "c49dec99-cccc-418c-9de9-b9856f1b749b",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 2,
+        "topics": [
+          "math",
+          "logic"
+        ]
       },
       {
-        "slug": "wordy",
-        "name": "Wordy",
-        "uuid": "093172fd-426c-46dc-a70e-a5f2e877970d",
+        "slug": "anagram",
+        "name": "Anagram",
+        "uuid": "216334c2-bdb5-481a-a22b-20ac088f20e9",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 5
+        "difficulty": 3
       },
       {
-        "slug": "hamming",
-        "name": "Hamming",
-        "uuid": "ce5dd1a4-7c90-48e4-b260-d2b62f29fbaf",
+        "slug": "atbash-cipher",
+        "name": "Atbash Cipher",
+        "uuid": "0f488d4b-89da-4d1f-958b-a7b3171f43d5",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 3
       },
       {
-        "slug": "list-ops",
-        "name": "List Ops",
-        "uuid": "c8b94fa9-d758-4dca-b7fc-7a130061e064",
+        "slug": "binary-search",
+        "name": "Binary Search",
+        "uuid": "afa5857c-bc9f-492c-a49e-1fbc06a613ab",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4,
-        "topics": [
-          "lists"
-        ]
+        "difficulty": 3
       },
       {
-        "slug": "nth-prime",
-        "name": "Nth Prime",
-        "uuid": "cfd7a0bc-4b94-402a-9e8e-d81cd4ddecfd",
+        "slug": "isbn-verifier",
+        "name": "Isbn Verifier",
+        "uuid": "38a13f45-9e80-4322-b896-d2cf06add3f9",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 3
+      },
+      {
+        "slug": "isogram",
+        "name": "Isogram",
+        "uuid": "ae8fa578-1308-44b2-8e71-d7566553379c",
+        "practices": [],
+        "prerequisites": [],
+        "difficulty": 3,
         "topics": [
-          "math"
+          "strings"
         ]
       },
       {
-        "slug": "transpose",
-        "name": "Transpose",
-        "uuid": "5184de5a-4772-4389-aa3c-b1117b601450",
+        "slug": "kindergarten-garden",
+        "name": "Kindergarten Garden",
+        "uuid": "7d74175b-a2c6-4e77-a908-ebcbcf1e29b6",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 5
+        "difficulty": 3
       },
       {
-        "slug": "perfect-numbers",
-        "name": "Perfect Numbers",
-        "uuid": "8ccc61c6-fac5-4af7-803e-d0f6d10f8a1f",
+        "slug": "largest-series-product",
+        "name": "Largest Series Product",
+        "uuid": "ac954648-3670-4268-9cf2-907d8588efe1",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
-        "topics": [
-          "math"
-        ]
+        "difficulty": 3
       },
       {
-        "slug": "armstrong-numbers",
-        "name": "Armstrong Numbers",
-        "uuid": "e1131c5f-f0a1-4cce-aa24-6fb4e265824a",
+        "slug": "perfect-numbers",
+        "name": "Perfect Numbers",
+        "uuid": "8ccc61c6-fac5-4af7-803e-d0f6d10f8a1f",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 2,
+        "difficulty": 3,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "nucleotide-count",
-        "name": "Nucleotide Count",
-        "uuid": "4ce578b2-9cfb-498b-947f-79f97abeb224",
+        "slug": "phone-number",
+        "name": "Phone Number",
+        "uuid": "f923bffb-109f-4257-957c-cea8cae2d5c5",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 2,
-        "topics": []
-      },
-      {
-        "slug": "eliuds-eggs",
-        "name": "Eliud's Eggs",
-        "uuid": "76d154fe-a39c-4d0e-a43a-f18e36388c83",
+        "difficulty": 3
+      },
+      {
+        "slug": "prime-factors",
+        "name": "Prime Factors",
+        "uuid": "e8ed5a0f-796c-4a1b-af7a-2502254d79a8",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 2
+        "difficulty": 3,
+        "topics": [
+          "math"
+        ]
       },
       {
         "slug": "protein-translation",
@@ -370,175 +387,180 @@
         ]
       },
       {
-        "slug": "phone-number",
-        "name": "Phone Number",
-        "uuid": "f923bffb-109f-4257-957c-cea8cae2d5c5",
+        "slug": "scrabble-score",
+        "name": "Scrabble Score",
+        "uuid": "cc6e7e8d-84f8-4b85-8f5e-7a68b3b34b1f",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 3
       },
       {
-        "slug": "binary-search",
-        "name": "Binary Search",
-        "uuid": "afa5857c-bc9f-492c-a49e-1fbc06a613ab",
+        "slug": "secret-handshake",
+        "name": "Secret Handshake",
+        "uuid": "55048224-25dc-4c91-b4f4-1ea1bacdd87f",
         "practices": [],
         "prerequisites": [],
         "difficulty": 3
       },
       {
-        "slug": "isogram",
-        "name": "Isogram",
-        "uuid": "ae8fa578-1308-44b2-8e71-d7566553379c",
+        "slug": "space-age",
+        "name": "Space Age",
+        "uuid": "2dba41bc-5b83-4406-b2b3-6280c3e31ed7",
         "practices": [],
         "prerequisites": [],
         "difficulty": 3,
         "topics": [
-          "strings"
+          "floats"
         ]
       },
       {
-        "slug": "luhn",
-        "name": "Luhn",
-        "uuid": "18e982ac-3e1e-497b-bfa0-04209223bb30",
+        "slug": "strain",
+        "name": "Strain",
+        "uuid": "e929f6cf-04f8-41dd-b333-69be7b06d857",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4,
+        "difficulty": 3,
         "topics": [
-          "strings"
+          "lists"
         ]
       },
       {
-        "slug": "pig-latin",
-        "name": "Pig Latin",
-        "uuid": "c257cb38-ed8d-473f-b02a-5dd8131fdc63",
+        "slug": "all-your-base",
+        "name": "All Your Base",
+        "uuid": "7e1d0e9a-435d-4dc6-8867-2fc4f9b7fe6f",
         "practices": [],
         "prerequisites": [],
         "difficulty": 4,
         "topics": [
-          "lists",
-          "strings",
-          "text_formatting"
+          "math"
         ]
       },
       {
-        "slug": "prime-factors",
-        "name": "Prime Factors",
-        "uuid": "e8ed5a0f-796c-4a1b-af7a-2502254d79a8",
+        "slug": "diamond",
+        "name": "Diamond",
+        "uuid": "f7ea4ee6-cd34-4dc9-bd96-abcf940873f0",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 4,
         "topics": [
-          "math"
+          "lists",
+          "strings",
+          "text_formatting"
         ]
       },
       {
-        "slug": "raindrops",
-        "name": "Raindrops",
-        "uuid": "76b1e1d1-2360-487c-89be-37f9780540b7",
+        "slug": "gigasecond",
+        "name": "Gigasecond",
+        "uuid": "788844da-ac1d-4bb9-a680-3aef6f8a11c8",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 4,
+        "topics": [
+          "date",
+          "strings"
+        ]
       },
       {
-        "slug": "resistor-color",
-        "name": "Resistor Color",
-        "uuid": "85f16b58-019f-44f7-bb33-b2903886f199",
+        "slug": "list-ops",
+        "name": "List Ops",
+        "uuid": "c8b94fa9-d758-4dca-b7fc-7a130061e064",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 4,
+        "topics": [
+          "lists"
+        ]
       },
       {
-        "slug": "rna-transcription",
-        "name": "RNA Transcription",
-        "uuid": "db3e09ee-6c93-417f-b0a0-196cdccf4984",
+        "slug": "luhn",
+        "name": "Luhn",
+        "uuid": "18e982ac-3e1e-497b-bfa0-04209223bb30",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1
+        "difficulty": 4,
+        "topics": [
+          "strings"
+        ]
       },
       {
-        "slug": "pythagorean-triplet",
-        "name": "Pythagorean Triplet",
-        "uuid": "203470a2-f80c-4d6c-8ea4-7d09d7bfb509",
+        "slug": "matching-brackets",
+        "name": "Matching Brackets",
+        "uuid": "67108540-cdc3-46df-81f9-6bd8d3580575",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 5,
+        "difficulty": 4,
         "topics": [
-          "math"
+          "stacks"
         ]
       },
       {
-        "slug": "roman-numerals",
-        "name": "Roman Numerals",
-        "uuid": "b4359037-8457-49ea-ac33-44710ada3b4d",
+        "slug": "matrix",
+        "name": "Matrix",
+        "uuid": "892922b8-1616-41f5-9faa-11eb0f776cce",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 5
+        "difficulty": 4,
+        "topics": [
+          "lists"
+        ]
       },
       {
-        "slug": "sum-of-multiples",
-        "name": "Sum of Multiples",
-        "uuid": "4bce27a8-2b91-4595-b6e6-d4be7e704113",
+        "slug": "nth-prime",
+        "name": "Nth Prime",
+        "uuid": "cfd7a0bc-4b94-402a-9e8e-d81cd4ddecfd",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 4,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "reverse-string",
-        "name": "Reverse String",
-        "uuid": "86d5a60a-fc44-443d-bc00-5c6265e736c4",
+        "slug": "pig-latin",
+        "name": "Pig Latin",
+        "uuid": "c257cb38-ed8d-473f-b02a-5dd8131fdc63",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
+        "difficulty": 4,
         "topics": [
           "lists",
-          "strings"
+          "strings",
+          "text_formatting"
         ]
       },
       {
-        "slug": "acronym",
-        "name": "Acronym",
-        "uuid": "937616ce-696b-4845-b06c-365a58ca46d2",
+        "slug": "queen-attack",
+        "name": "Queen Attack",
+        "uuid": "a503a4e2-b6eb-4ab0-ac67-8b136157f3dd",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
-        "topics": [
-          "lists",
-          "strings",
-          "text_formatting"
-        ]
+        "difficulty": 4
       },
       {
-        "slug": "affine-cipher",
-        "name": "Affine Cipher",
-        "uuid": "8a335321-d6fd-4d6c-bd77-4f5d878a5b3c",
+        "slug": "run-length-encoding",
+        "name": "Run Length Encoding",
+        "uuid": "d9213e16-f49a-43c1-bae7-2e5283c512d4",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 2,
-        "topics": [
-          "math"
-        ]
+        "difficulty": 4
       },
       {
-        "slug": "darts",
-        "name": "Darts",
-        "uuid": "90237a3f-595a-4238-bcef-46d6f84b0945",
+        "slug": "sieve",
+        "name": "Sieve",
+        "uuid": "f0274c1a-f0dc-4aa5-8517-3afd27c65fe8",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 2
+        "difficulty": 4
       },
       {
-        "slug": "gigasecond",
-        "name": "Gigasecond",
-        "uuid": "788844da-ac1d-4bb9-a680-3aef6f8a11c8",
+        "slug": "square-root",
+        "name": "Square Root",
+        "uuid": "8f79d2ac-2407-4bba-91a8-6a47737e7f36",
         "practices": [],
         "prerequisites": [],
         "difficulty": 4,
         "topics": [
-          "date",
-          "strings"
+          "math"
         ]
       },
       {
@@ -553,62 +575,55 @@
         ]
       },
       {
-        "slug": "largest-series-product",
-        "name": "Largest Series Product",
-        "uuid": "ac954648-3670-4268-9cf2-907d8588efe1",
+        "slug": "yacht",
+        "name": "Yacht",
+        "uuid": "c4a24f88-febd-4955-a08d-67895a3d119f",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 3
+        "difficulty": 4
       },
       {
-        "slug": "queen-attack",
-        "name": "Queen Attack",
-        "uuid": "a503a4e2-b6eb-4ab0-ac67-8b136157f3dd",
+        "slug": "knapsack",
+        "name": "Knapsack",
+        "uuid": "4aaa8cbf-a48e-475a-a986-bd2cc3468e67",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4
+        "difficulty": 5
       },
       {
-        "slug": "yacht",
-        "name": "Yacht",
-        "uuid": "c4a24f88-febd-4955-a08d-67895a3d119f",
+        "slug": "pythagorean-triplet",
+        "name": "Pythagorean Triplet",
+        "uuid": "203470a2-f80c-4d6c-8ea4-7d09d7bfb509",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 4
+        "difficulty": 5,
+        "topics": [
+          "math"
+        ]
       },
       {
-        "slug": "triangle",
-        "name": "Triangle",
-        "uuid": "c49dec99-cccc-418c-9de9-b9856f1b749b",
+        "slug": "roman-numerals",
+        "name": "Roman Numerals",
+        "uuid": "b4359037-8457-49ea-ac33-44710ada3b4d",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 1,
-        "topics": [
-          "math",
-          "logic"
-        ]
+        "difficulty": 5
       },
       {
-        "slug": "grains",
-        "name": "Grains",
-        "uuid": "1759636a-eeb0-42e9-98af-01cf4c738700",
+        "slug": "transpose",
+        "name": "Transpose",
+        "uuid": "5184de5a-4772-4389-aa3c-b1117b601450",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 2,
-        "topics": [
-          "math"
-        ]
+        "difficulty": 5
       },
       {
-        "slug": "pascals-triangle",
-        "name": "Pascal's Triangle",
-        "uuid": "bc381243-73cb-42bf-91d8-d33d6215e579",
+        "slug": "wordy",
+        "name": "Wordy",
+        "uuid": "093172fd-426c-46dc-a70e-a5f2e877970d",
         "practices": [],
         "prerequisites": [],
-        "difficulty": 2,
-        "topics": [
-          "math"
-        ]
+        "difficulty": 5
       },
       {
         "slug": "palindrome-products",
@@ -625,22 +640,6 @@
         "practices": [],
         "prerequisites": [],
         "difficulty": 8
-      },
-      {
-        "slug": "knapsack",
-        "name": "Knapsack",
-        "uuid": "4aaa8cbf-a48e-475a-a986-bd2cc3468e67",
-        "practices": [],
-        "prerequisites": [],
-        "difficulty": 5
-      },
-      {
-        "slug": "sieve",
-        "name": "Sieve",
-        "uuid": "f0274c1a-f0dc-4aa5-8517-3afd27c65fe8",
-        "practices": [],
-        "prerequisites": [],
-        "difficulty": 4
       }
     ],
     "foregone": [