Solve 2024-21

2024/21/index.test.ts

@@ -0,0 +1,13 @@
+import { describe, expect, it } from 'bun:test';
+import { solveFirst } from './index.ts';
+
+describe('2024-21', () => {
+  it('first', () => {
+    const testInput = `029A
+980A
+179A
+456A
+379A`;
+    expect(solveFirst(testInput)).toBe(126384);
+  });
+});