text: <html>
          <head> <meta charset="UTF-8">
          <style>
          table, th, td {
              border: 1px solid black;
              font-size: 10px;
          }
          </style> </head>
          <body>
          <table frame="hsides" rules="groups" width="100%%">
              [html]<thead><tr><tdrowspan="2">Frozen Evaluation</td><tdcolspan="3">Masking</td></tr><tr><td>K400 ( 16 × 1 × 1 )</td><td>SSv2 ( 16 × 1 × 1 )</td><td>IN1K</td></tr></thead><tbody><tr><td>random - tube [ 0.9 ]</td><td>51.5</td><td>46.4</td><td>55.6</td></tr><tr><td>causal multi - block [ 6 ]</td><td>61.3</td><td>49.8</td><td>66.9</td></tr><tr><td>caural multi - block [ 12 ]</td><td>71.9</td><td>63.6</td><td>72.2</td></tr><tr><td>multi - block</td><td>72.9</td><td>67.4</td><td>72.8</td></tr></tbody>
          </table> </body> </html>