,-------+--------+--------+----------.
| Task  | Start  | End    | Duration |
+-------+--------+--------+----------+
| Task1 | Dec 1  | Dec 11 | 11 days  |
+-------+--------+--------+----------+
| Task2 | Dec 22 | Jan 13 | 23 days  |
+-------+--------+--------+----------+
| M1    | Dec 16 | Dec 16 | 1 day    |
`-------+--------+--------+----------'