diff --git a/.eslintrc.js b/.eslintrc.js
deleted file mode 100644
index 6b04325..0000000
--- a/.eslintrc.js
+++ /dev/null
@@ -1,13 +0,0 @@
-module.exports = {
-  parserOptions: {
-    sourceType: "module",
-  },
-  env: {
-    browser: true,
-    es2022: true,
-    mocha: true,
-    node: true,
-  },
-  plugins: ["html"],
-  extends: ["eslint:recommended", "prettier"],
-};
diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..edc0960
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,13 @@
+{
+  "extends": ["eslint:recommended", "prettier"],
+  "parserOptions": {
+    "sourceType": "module"
+  },
+  "plugins": ["html"],
+  "env": {
+    "browser": true,
+    "es2022": true,
+    "mocha": true,
+    "node": true
+  }
+}
diff --git a/index.html b/index.html
index a9f880d..e700fa7 100644
--- a/index.html
+++ b/index.html
@@ -50,26 +50,37 @@
           <form
             id="cardsInputForm"
             x-data="cardsInputForm"
-            @submit.prevent="submit"
+            @submit.prevent="$dispatch('solve-game')"
             class="needs-validation"
             :class="{'was-validated': isFormValid && inputValue.length > 2 }"
             novalidate
           >
-            <div class="mb-3">
-              <label id="cardsInputLabel" for="cardsInput" class="form-label"
-                >Enter Your Cards</label
-              >
+            <h3 id="cardsInputLabel" for="cardsInput" class="form-label">
+              Enter Your Cards
+            </h3>
+            <div class="input-group">
               <input
                 id="cardsInput"
                 aria-describedby="cardsInputLabel"
+                type="text"
                 x-model="inputValue"
                 class="form-control"
                 :class="{ 'is-valid': isFormValid && inputValue.length > 2, 'is-invalid': !isFormValid && inputValue.length > 2 }"
                 maxlength="206"
                 @keyup.debounce="validateCardsInput()"
                 placeholder="e.g., 2S TC 4S QD KH 5S 9S ..."
+                :disabled="$store.global.solvingInProgress"
               />
-
+              <button
+                id="cardsInputButton"
+                type="submit"
+                class="btn btn-outline-primary"
+                :disabled="!isFormValid || $store.global.solvingInProgress"
+              >
+                Solve
+              </button>
+            </div>
+            <div class="mb-3">
               <template x-for="msg in validMessages">
                 <div
                   class="valid-feedback"
@@ -88,7 +99,11 @@
           </form>
 
           <!-- Friendly display of game cards -->
-          <div id="playingCardsPreview" x-data="playingCardsPreview">
+          <div
+            id="playingCardsPreview"
+            x-data="playingCardsPreview"
+            class="mb-4"
+          >
             <div
               id="gamePyramid"
               class="game-pyramid-container p-2 p-md-3 p-lg-4"
@@ -139,6 +154,32 @@
               </template>
             </div>
           </div>
+
+          <!-- Display of solvingprogress or solution -->
+          <div id="gameSolving" x-data="gameSolving" x-init="onInit()">
+            <div class="d-flex justify-content-start">
+              <div
+                class="spinner-border me-2"
+                role="status"
+                x-show="$store.global.solvingInProgress"
+              ></div>
+              <h3 @solve-game.window="startSolver()" x-text="headerText"></h3>
+            </div>
+
+            <ul x-show="$store.global.solvingInProgress">
+              <template x-for="msg in statusMessages">
+                <li x-text="msg"></li>
+              </template>
+            </ul>
+
+            <!-- <p x-show="" x-text="statusMessage"></p> -->
+
+            <ol x-show="solutionMoves.length > 0">
+              <template x-for="move in solutionMoves">
+                <li x-text="move"></li>
+              </template>
+            </ol>
+          </div>
         </div>
       </div>
     </div>
diff --git a/main.js b/main.js
index 4cfa21c..d7d7545 100644
--- a/main.js
+++ b/main.js
@@ -1,6 +1,8 @@
 import "./style.scss";
+//import 'bootstrap';
 import Alpine from "alpinejs";
 import cardSvgs from "./cardSvgs";
+import SolverWorker from "./solverWorker?worker";
 
 // Some helpful constants
 const suits = {
@@ -61,9 +63,10 @@ Object.keys(cardSvgs).forEach((ckey) => {
 Alpine.store("global", {
   deck,
   cardsToSolve: Array(deck.length).fill(0),
+  solvingInProgress: false,
 });
 
-// card preview component data
+// card preview component logic
 Alpine.data("playingCardsPreview", () => ({
   cardSvgs,
   cardsBySlice(start, length) {
@@ -74,7 +77,7 @@ Alpine.data("playingCardsPreview", () => ({
   },
 }));
 
-// input component data
+// input component logic
 Alpine.data("cardsInputForm", () => ({
   // "constants" for validation etc
   nonAlphaNumRegEx: /[\W_]+/g,
@@ -184,6 +187,103 @@ Alpine.data("cardsInputForm", () => ({
   },
 }));
 
+// long-running solve messages
+const encouragements = [
+  "Hang in there!",
+  "Let go like a bird flies, not fighting the wind but gliding on it",
+  "Stay patient and trust the journey.",
+  "Everything is coming together…",
+  "Solitaire is a journey, not a destination.",
+  "For things to reveal themselves to us, we need to be ready to abandon our views about them.",
+  "Patience is bitter, but its fruit is sweet.",
+  "Strive for progress, not perfection.",
+  "I wish only to be alive and to experience this living to the fullest.",
+  "This too shall pass.",
+  "Patience is the companion of wisdom.",
+  "The mountains are calling and I must go.",
+  "Give time time.",
+  "If you find a path with no obstacles, it probably doesn't lead anywhere",
+  "A smooth sea never made a good sailor.",
+  "Stick with the winners.",
+  "I immerse myself in the experience of living without having to evaluate or understand it.",
+  "Why fit in when you were born to stand out?",
+  "Don't let yesterday take up too much of today.",
+  "The least I owe the mountains is a body.",
+  "Getting so close!",
+  "Many people think excitement is happiness. But when you are excited you are not peaceful.",
+  "Misery is optional.",
+  "Mistakes are proof that you're trying.",
+  "Life would be so much easier if we only had the source code.",
+  "A computer once beat me at chess, but it was no match for me at kickboxing.",
+  "Patience is not simply the ability to wait, it's how we behave while we're waiting.",
+  "We must let go of the life we have planned so as to accept the one that is waiting for us.",
+  "Somewhere, something incredible is waiting to be known.",
+  "If you spend your whole life waiting for the storm, you'll never enjoy the sunshine.",
+];
+
+// game solving component logic
+Alpine.data("gameSolving", () => ({
+  encouragements,
+  solverWorker: null,
+  headerText: "",
+  moveCount: 23,
+  statusMessages: [],
+  solutionMoves: [],
+  nodesTried: 0,
+  nodesTriedFloor: 0,
+  reset() {
+    this.$store.global.solvingInProgress = false;
+    this.moveCount = 0;
+    this.statusMessages = [];
+    this.nodesTried = 0;
+    this.nodesTriedFloor = 0;
+  },
+  onInit() {
+    this.solverWorker = new SolverWorker();
+    this.solverWorker.addEventListener("message", async (e) => {
+      if (e.data.msg === "solve-progress") {
+        this.nodesTried++;
+        this.moveCount = e.data.moveCount;
+        this.statusMessages[0] = `Most moves found so far: ${this.moveCount}`;
+
+        let newFloor = Math.floor(this.nodesTried / 10000) * 10000;
+        if (newFloor > this.nodesTriedFloor) {
+          this.nodesTriedFloor = newFloor;
+          if (this.nodesTriedFloor > 50000) {
+            this.statusMessages[1] = `Over ${this.nodesTriedFloor.toLocaleString(
+              "en"
+            )} possibilities tried. Still working…`;
+          }
+          if (this.nodesTriedFloor % 250000 === 0) {
+            let randInRange = Math.floor(
+              Math.random() * this.encouragements.length
+            );
+            this.statusMessages.push(this.encouragements[randInRange]);
+          }
+        }
+      } else if (e.data.msg === "solve-result") {
+        if (e.data.result[0]) {
+          this.headerText = "Solution found:";
+          this.solutionMoves = e.data.result[1];
+          this.reset();
+        } else {
+          this.headerText = "Could not solve. Best moves found:";
+          this.solutionMoves = e.data.result[2];
+          this.reset();
+        }
+      }
+    });
+  },
+  async startSolver() {
+    this.headerText = "Solving…";
+    this.solutionMoves = [];
+    this.$store.global.solvingInProgress = true;
+    await this.$nextTick();
+    let game = JSON.parse(JSON.stringify(this.$store.global.cardsToSolve));
+    this.solverWorker.postMessage({ msg: "try-to-solve", game: game });
+  },
+}));
+
 window.Alpine = Alpine;
 
 Alpine.start();
diff --git a/package-lock.json b/package-lock.json
index 5f14bc7..1034970 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,9 +37,9 @@
       }
     },
     "node_modules/@eslint/eslintrc": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.3.1.tgz",
-      "integrity": "sha512-OhSY22oQQdw3zgPOOwdoj01l/Dzl1Z+xyUP33tkSN+aqyEhymJCcPHyXt+ylW8FSe0TfRC2VG+ROQOapD0aZSQ==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.3.2.tgz",
+      "integrity": "sha512-AXYd23w1S/bv3fTs3Lz0vjiYemS08jWkI3hYyS9I1ry+0f+Yjs1wm+sU0BS8qDOPrBIkp4qHYC16I8uVtpLajQ==",
       "dev": true,
       "dependencies": {
         "ajv": "^6.12.4",
@@ -1031,12 +1031,12 @@
       }
     },
     "node_modules/eslint": {
-      "version": "8.23.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.23.0.tgz",
-      "integrity": "sha512-pBG/XOn0MsJcKcTRLr27S5HpzQo4kLr+HjLQIyK4EiCsijDl/TB+h5uEuJU6bQ8Edvwz1XWOjpaP2qgnXGpTcA==",
+      "version": "8.23.1",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.23.1.tgz",
+      "integrity": "sha512-w7C1IXCc6fNqjpuYd0yPlcTKKmHlHHktRkzmBPZ+7cvNBQuiNjx0xaMTjAJGCafJhQkrFJooREv0CtrVzmHwqg==",
       "dev": true,
       "dependencies": {
-        "@eslint/eslintrc": "^1.3.1",
+        "@eslint/eslintrc": "^1.3.2",
         "@humanwhocodes/config-array": "^0.10.4",
         "@humanwhocodes/gitignore-to-minimatch": "^1.0.2",
         "@humanwhocodes/module-importer": "^1.0.1",
@@ -1055,7 +1055,6 @@
         "fast-deep-equal": "^3.1.3",
         "file-entry-cache": "^6.0.1",
         "find-up": "^5.0.0",
-        "functional-red-black-tree": "^1.0.1",
         "glob-parent": "^6.0.1",
         "globals": "^13.15.0",
         "globby": "^11.1.0",
@@ -1064,6 +1063,7 @@
         "import-fresh": "^3.0.0",
         "imurmurhash": "^0.1.4",
         "is-glob": "^4.0.0",
+        "js-sdsl": "^4.1.4",
         "js-yaml": "^4.1.0",
         "json-stable-stringify-without-jsonify": "^1.0.1",
         "levn": "^0.4.1",
@@ -1386,12 +1386,6 @@
       "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
       "dev": true
     },
-    "node_modules/functional-red-black-tree": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz",
-      "integrity": "sha512-dsKNQNdj6xA3T+QlADDA7mOSlX0qiMINjn0cgr+eGHGsbSHzTabcIogz2+p/iqP1Xs6EP/sS2SbqH+brGTbq0g==",
-      "dev": true
-    },
     "node_modules/get-caller-file": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
@@ -1691,6 +1685,12 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "dev": true
     },
+    "node_modules/js-sdsl": {
+      "version": "4.1.4",
+      "resolved": "https://registry.npmjs.org/js-sdsl/-/js-sdsl-4.1.4.tgz",
+      "integrity": "sha512-Y2/yD55y5jteOAmY50JbUZYwk3CP3wnLPEZnlR1w9oKhITrBEtAxwuWKebFf8hMrPMgbYwFoWK/lH2sBkErELw==",
+      "dev": true
+    },
     "node_modules/js-yaml": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
@@ -2589,9 +2589,9 @@
       "optional": true
     },
     "@eslint/eslintrc": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.3.1.tgz",
-      "integrity": "sha512-OhSY22oQQdw3zgPOOwdoj01l/Dzl1Z+xyUP33tkSN+aqyEhymJCcPHyXt+ylW8FSe0TfRC2VG+ROQOapD0aZSQ==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.3.2.tgz",
+      "integrity": "sha512-AXYd23w1S/bv3fTs3Lz0vjiYemS08jWkI3hYyS9I1ry+0f+Yjs1wm+sU0BS8qDOPrBIkp4qHYC16I8uVtpLajQ==",
       "dev": true,
       "requires": {
         "ajv": "^6.12.4",
@@ -3226,12 +3226,12 @@
       "dev": true
     },
     "eslint": {
-      "version": "8.23.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.23.0.tgz",
-      "integrity": "sha512-pBG/XOn0MsJcKcTRLr27S5HpzQo4kLr+HjLQIyK4EiCsijDl/TB+h5uEuJU6bQ8Edvwz1XWOjpaP2qgnXGpTcA==",
+      "version": "8.23.1",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.23.1.tgz",
+      "integrity": "sha512-w7C1IXCc6fNqjpuYd0yPlcTKKmHlHHktRkzmBPZ+7cvNBQuiNjx0xaMTjAJGCafJhQkrFJooREv0CtrVzmHwqg==",
       "dev": true,
       "requires": {
-        "@eslint/eslintrc": "^1.3.1",
+        "@eslint/eslintrc": "^1.3.2",
         "@humanwhocodes/config-array": "^0.10.4",
         "@humanwhocodes/gitignore-to-minimatch": "^1.0.2",
         "@humanwhocodes/module-importer": "^1.0.1",
@@ -3250,7 +3250,6 @@
         "fast-deep-equal": "^3.1.3",
         "file-entry-cache": "^6.0.1",
         "find-up": "^5.0.0",
-        "functional-red-black-tree": "^1.0.1",
         "glob-parent": "^6.0.1",
         "globals": "^13.15.0",
         "globby": "^11.1.0",
@@ -3259,6 +3258,7 @@
         "import-fresh": "^3.0.0",
         "imurmurhash": "^0.1.4",
         "is-glob": "^4.0.0",
+        "js-sdsl": "^4.1.4",
         "js-yaml": "^4.1.0",
         "json-stable-stringify-without-jsonify": "^1.0.1",
         "levn": "^0.4.1",
@@ -3501,12 +3501,6 @@
       "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
       "dev": true
     },
-    "functional-red-black-tree": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz",
-      "integrity": "sha512-dsKNQNdj6xA3T+QlADDA7mOSlX0qiMINjn0cgr+eGHGsbSHzTabcIogz2+p/iqP1Xs6EP/sS2SbqH+brGTbq0g==",
-      "dev": true
-    },
     "get-caller-file": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
@@ -3726,6 +3720,12 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "dev": true
     },
+    "js-sdsl": {
+      "version": "4.1.4",
+      "resolved": "https://registry.npmjs.org/js-sdsl/-/js-sdsl-4.1.4.tgz",
+      "integrity": "sha512-Y2/yD55y5jteOAmY50JbUZYwk3CP3wnLPEZnlR1w9oKhITrBEtAxwuWKebFf8hMrPMgbYwFoWK/lH2sBkErELw==",
+      "dev": true
+    },
     "js-yaml": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
diff --git a/package.json b/package.json
index 83217c6..1f82bb8 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "solver",
     "cards"
   ],
-  "main": "solver.js",
+  "type": "module",
   "scripts": {
     "dev": "vite",
     "build": "vite build",
diff --git a/run.js b/run.js
new file mode 100644
index 0000000..2fb3f27
--- /dev/null
+++ b/run.js
@@ -0,0 +1,39 @@
+const solver = require("./solver");
+
+// // Easy MS Tripeaks level
+// let userCardsInput = " js as ts ad tc qd 9s 4s 2h 9h 8s jh 6c 3d ks 5s  5c 6h 9c 2c  ac 8c 6d 5d th 8d kc kd 9d 4c 5h 8h qh 6s "
+// userCardsInput = " 2d 7c 7d 3s kh qs jc 2s 7s " + userCardsInput
+// userCardsInput = " qc 3h 3c 7h td 4h " + userCardsInput
+// userCardsInput = " jd 4d ah " + userCardsInput
+// Unsolvable board
+let userCardsInput =
+  "2D 6D AD 9S 4C 7C 7S 7D 9C 2S AC 8D 6S 6H 3C 5H QS JS 4S JH 5C AS 3H 3S AH TD 4D 5S TH 7H KS QH 6C KD 8S 2C TC JC 5D 3D 2H TS 4H JD KC KH 8H QC 8C QD 9D 9H";
+
+// continue!
+userCardsInput = userCardsInput.toUpperCase();
+let userCards = userCardsInput.split(" ").filter((s) => s);
+userCards = Array(52 - userCards.length)
+  .fill("0")
+  .concat(userCards)
+  .map((c) => (c === "0" ? 0 : c));
+
+let start_time = process.hrtime.bigint();
+let result = solver.solve(
+  userCards.slice(0, 28),
+  userCards.slice(28, 52),
+  0,
+  []
+);
+let end_time = process.hrtime.bigint();
+
+let resultStr = JSON.stringify(result, null, 2);
+process.stdout.write(resultStr + "\n");
+process.stdout.write(`moves array length: ${result[1].length}\n`);
+process.stdout.write(`best moves array length: ${result[2].length}\n`);
+
+const MS_PER_NS = 1e-6;
+const NS_PER_SEC = 1e9;
+let elapsedMs = Number(end_time - start_time) * MS_PER_NS;
+let elapsedS = Number(end_time - start_time) / NS_PER_SEC;
+process.stdout.write(`solving took: ${elapsedMs} milliseconds\n`);
+process.stdout.write(`solving took: ${elapsedS} seconds\n`);
diff --git a/solver.js b/solver.js
index d1eb777..3306929 100644
--- a/solver.js
+++ b/solver.js
@@ -103,11 +103,12 @@ function getBestMoveArray(bestMoveArray, newMoveArray) {
  * @param stockArray The cards in the stock.
  * @param stockIndex The index of the top stock card.
  * @param moveArray The list of moves that have been made to get a deck in this configuration.
- * @returns {*[]|([*, *, *]|[*, *, *]|[*, *, *])}
+ * @returns {Promise<{*[]|([*, *, *]|[*, *, *]|[*, *, *])}>}
  */
-function solve(
+async function solve(
   pyramidArray,
   stockArray,
+  worker = null,
   stockIndex = 0,
   moveArray = [],
   bestMoveArray = []
@@ -121,6 +122,12 @@ function solve(
   // If yes, replace the known best move array
   newBestMoveArray = getBestMoveArray(newBestMoveArray, newMoveArray);
   newBestMoveArray = JSON.parse(JSON.stringify(newBestMoveArray));
+  if (worker) {
+    worker.postMessage({
+      msg: "solve-progress",
+      moveCount: newBestMoveArray.length,
+    });
+  }
 
   // We cleared the pyramid
   if (pyramid.isCleared) {
@@ -150,9 +157,10 @@ function solve(
     let newPyramidArray = JSON.parse(JSON.stringify(pyramidArray));
     newPyramidArray[freeCardsIndices[i]] = 0;
 
-    let result = solve(
+    let result = await solve(
       newPyramidArray,
       newStock,
+      worker,
       stockIndex,
       newMoveArray,
       newBestMoveArray
@@ -167,9 +175,10 @@ function solve(
   // Flip over a new card
   newMoveArray = JSON.parse(JSON.stringify(moveArray));
   newMoveArray.push(MoveString.flipStock());
-  let result = solve(
+  let result = await solve(
     pyramidArray,
     stockArray,
+    worker,
     ++stockIndex,
     newMoveArray,
     newBestMoveArray
@@ -184,4 +193,4 @@ function solve(
   return [GameStates.lost, moveArray, newBestMoveArray];
 }
 
-module.exports = { Card, solve };
+export { Card, solve };
diff --git a/solverWorker.js b/solverWorker.js
new file mode 100644
index 0000000..3249c3a
--- /dev/null
+++ b/solverWorker.js
@@ -0,0 +1,12 @@
+import { solve } from "./solver";
+
+const runSolve = async (game) => {
+  let result = await solve(game.slice(0, 28), game.slice(28, 52), self);
+  postMessage({ msg: "solve-result", result: result });
+};
+
+addEventListener("message", async (e) => {
+  if (e.data.msg === "try-to-solve") {
+    runSolve(e.data.game);
+  }
+});
diff --git a/test.js b/test.js
index de769dc..a3045d7 100644
--- a/test.js
+++ b/test.js
@@ -1,6 +1,5 @@
-const assert = require("assert");
-const solver = require("./solver");
-const Card = solver.Card;
+import { Card, solve } from "./solver.js";
+import assert from "assert";
 
 /*
  * Tests for classes
@@ -56,17 +55,17 @@ const partial_games = [
 ];
 
 it("solve should solve known games", () => {
-  solvable_games.forEach((i) => {
+  solvable_games.forEach(async (i) => {
     const array = i.split(" ");
-    const result = solver.solve(array.slice(0, 28), array.slice(28, 52), 0, []);
+    const result = await solve(array.slice(0, 28), array.slice(28, 52));
     assert.equal(result[0], true);
   });
 }).timeout(200000);
 
 it("solve should solve partial games", () => {
-  partial_games.forEach((i) => {
+  partial_games.forEach(async (i) => {
     const array = i.split(" ").map((x) => (x === "0" ? 0 : x));
-    const result = solver.solve(array.slice(0, 28), array.slice(28, 52), 0, []);
+    const result = await solve(array.slice(0, 28), array.slice(28, 52));
     assert.equal(result[0], true);
   });
 });