diff --git a/src/2020-day-02.ts b/src/2020-day-02.ts
index 860c0e7..3d01de7 100644
--- a/src/2020-day-02.ts
+++ b/src/2020-day-02.ts
@@ -18,24 +18,24 @@ let tasksResults: any[] = ['N/A', 'N/A'];
 
 describe('Day 02', () => {
     
+    let sample: PassEntry[];
+    before(() => {
+        sample = getData(example);
+    })
     describe('task01', () => {
         describe('parse', () => {
-            let rules: PassEntry[];
-            before(() => {
-                rules = getData(example);
-            })
             it('matches a line', () => {
-                assert.strictEqual(rules[0].min, 1);
-                assert.strictEqual(rules[0].max, 3);
-                assert.strictEqual(rules[0].letter, 'a');
-                assert.strictEqual(rules[0].pass, 'abcde');
+                assert.strictEqual(sample[0].min, 1);
+                assert.strictEqual(sample[0].max, 3);
+                assert.strictEqual(sample[0].letter, 'a');
+                assert.strictEqual(sample[0].pass, 'abcde');
             });
             it('makes a table', () => {
-                let table = mkTable(rules[0]);
+                let table = mkTable(sample[0]);
                 assert.strictEqual(table.a, 1);
             })
             it('validate rules', () => {
-                let valid = checkRulesTask01(rules);
+                let valid = checkRulesTask01(sample);
                 assert.strictEqual(valid.length, 2);
             })
         });
@@ -46,8 +46,9 @@ describe('Day 02', () => {
     });
     describe('test02', () => {
         it('Calculate', () => {
-            // assert.strictEqual(task02(example), expect02);
-            tasksResults[1] = task02(input);
+            assert.strictEqual(checkRulesTask02(sample).length, 1);
+            let rules = getData(readFileSync('./input/2020-day-02.txt', 'utf-8'));
+            tasksResults[1] = checkRulesTask02(rules).length;
         });
     });
     after(() => {
@@ -92,6 +93,18 @@ function checkRulesTask01(rules: PassEntry[]): PassEntry[] {
     });
 }
 
+function checkRulesTask02(rules: PassEntry[]): PassEntry[] {
+    return rules.filter(rule => {
+        let p1 = rule.pass.charAt(rule.min - 1);
+        let p2 = rule.pass.charAt(rule.max - 1);
+        let m1 = (p1 === rule.letter);
+        let m2 = (p2 === rule.letter);
+        if (m1 && m2) return false;
+        if (!m1 && !m2) return false;
+        return true;
+    });
+}
+
 function mkTable(rule: PassEntry) {
     let table: any = {};
         for (let i = 0; i < rule.pass.length; i++) {