<p>In a warehouse, there is a row of barcodes, where the <code>i<sup>th</sup></code> barcode is <code>barcodes[i]</code>.</p> <p>Rearrange the barcodes so that no two adjacent barcodes are equal. You may return any answer, and it is guaranteed an answer exists.</p> <p> </p> <p><strong>Example 1:</strong></p> <pre><strong>Input:</strong> barcodes = [1,1,1,2,2,2] <strong>Output:</strong> [2,1,2,1,2,1] </pre><p><strong>Example 2:</strong></p> <pre><strong>Input:</strong> barcodes = [1,1,1,1,2,2,3,3] <strong>Output:</strong> [1,3,1,3,1,2,1,2] </pre> <p> </p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= barcodes.length <= 10000</code></li> <li><code>1 <= barcodes[i] <= 10000</code></li> </ul>