chore: update html tags

index.html

@@ -17,15 +17,13 @@
     <link rel="mask-icon" href="/safari-pinned-tab.svg" color="#10b981">
     <meta name="msapplication-TileColor" content="#1F2937">
     <meta name="theme-color" content="#1F2937">
-    <meta name="description" content="Play sudoku games from easy to evil." />
+    <meta name="description" content="Play over 500 Sudoku puzzles ranging from easy to evil. Open source and completely free with no tracking.">
     <meta name="keywords" content="Sudoku,Sudoku App,Game,Sudoku Generate" />
     <meta property="og:title" content="Super Sudoku" />
     <meta property="og:site_name" content="Super Sudoku" />
     <meta property="og:type" content="website" />
-    <meta property="og:type" content="website" />
-    <meta property="og:url" content={URL} />
-    <meta property="og:description" content="Play sudoku games from easy to evil" />
-    <meta property="og:image"/>
+    <meta property="og:description" content="Play over 500 Sudoku puzzles ranging from easy to evil. Open source and completely free with no tracking." />
+    <meta property="og:image" content="/share.png" />
     <meta property="og:image:type" content="image/png" />
     <meta property="og:image:width" content="512" />
     <meta property="og:image:height" content="512" />

src/engine/utility.ts

@@ -3,66 +3,6 @@ import {SimpleSudoku, ComplexSudoku, Cell} from "./types";
 export const SUDOKU_COORDINATES = [0, 1, 2, 3, 4, 5, 6, 7, 8];
 export const SUDOKU_NUMBERS = [1, 2, 3, 4, 5, 6, 7, 8, 9];
 
-export const solvableSudoku1 = [
-  "_1____674",
-  "_897_____",
-  "__2_638__",
-  "_28___76_",
-  "___1__43_",
-  "__692__18",
-  "_6_235___",
-  "2__4_81_6",
-  "57_______",
-].join("\n");
-
-export const solvedSudoku1 = [
-  "315892674",
-  "689741325",
-  "742563891",
-  "128354769",
-  "957186432",
-  "436927518",
-  "861235947",
-  "293478156",
-  "574619283",
-].join("\n");
-
-export const solvableSudoku2 = [
-  "34567892_",
-  "68914_57_",
-  "71__3_68_",
-  "27__86_3_",
-  "8_47___9_",
-  "_6___58__",
-  "__78__1__",
-  "__8____5_",
-  "_________",
-].join("\n");
-
-export const solvableSudoku3 = [
-  "____3____",
-  "__1_65___",
-  "5__2___3_",
-  "__869_2__",
-  "__74_2__5",
-  "13__7__6_",
-  "______927",
-  "_8_______",
-  "_4_9_____",
-].join("\n");
-
-export const solvedSudoku3 = [
-  "894731652",
-  "321865794",
-  "576249138",
-  "458693271",
-  "967412385",
-  "132578469",
-  "615384927",
-  "789126543",
-  "243957816",
-].join("\n");
-
 // SQUARE TABLE
 /*
     _x = 0       _x = 1     _x = 2