,-------------------------+--------+--------+----------.
| Task                    | Start  | End    | Duration |
+-------------------------+--------+--------+----------+
| Task1: Prototype design | Day 1  | Day 13 | 13 days  |
+-------------------------+--------+--------+----------+
| M1                      | Day 18 | Day 18 | 1 day    |
`-------------------------+--------+--------+----------'