,------+-------+--------+----------.
| Task | Start | End    | Duration |
+------+-------+--------+----------+
| T1   | Apr 3 | Apr 17 | 15 days  |
+------+-------+--------+----------+
| T2   | Apr 3 | Apr 4  | 2 days   |
+------+-------+--------+----------+
| T3   | Apr 7 | Apr 9  | 3 days   |
`------+-------+--------+----------'