,-------+--------+--------+----------.
| Task  | Start  | End    | Duration |
+-------+--------+--------+----------+
| plan1 | Mar 30 | Apr 23 | 25 days  |
+-------+--------+--------+----------+
| 1st_r | Apr 1  | Apr 1  | 1 day    |
+-------+--------+--------+----------+
| 2nd_r | Apr 3  | Apr 3  | 1 day    |
+-------+--------+--------+----------+
| 3nd_r | Apr 6  | Apr 6  | 1 day    |
`-------+--------+--------+----------'