|   Monday   |  Tuesday   |  Wednesday |  Thursday  |   Friday   |
       -+------------+------------+------------+------------+------------+
        |            |            |            |            |   21M303   |
 11-12  |            |            |            |            |            |
        |            |            |            |            |     ??     |
       -+------------+------------+------------+------------+------------+
        |            |   21H302   |            |   21H302   |            |
 12-1   |            |            |            |            |            |
        |            |    4-163   |            |    4-163   |            |
       -+------------+------------+------------+------------+------------+
        |            |            |            |            |            |
  1-2   |            |            |            |            |            |
        |            |            |            |            |            |
       -+------------+------------+------------+------------+------------+
        |   21M303   |            |   21M303   |            |            |
  2-3   |            |            |            |            |            |
        |    4-156   |            |    4-156   |            |            |
       -+------------+------------+------------+------------+------------+
        |            |            |            |            |  21H302R   |
  3-4   +------------+            +------------+            |            |
        |            |            |            |            |   66-168   |
       -+   21M215   +------------+   21M215   +------------+------------+
        |            |            |            |            |            |
  4-5   |    4-156   |            |    4-156   |            |            |
        |            |            |            |            |            |
       -+------------+------------+------------+------------+------------+