ver Apr30th

updated README

README.md

@@ -113,6 +113,26 @@ the constraint that the target page/element/answer (the part after `2`, *e.g.*,
 obtained the task set of 150 multistage tasks in which there are 2.68
 single-stage sub-tasks averagely.
 
+The multistage tasks containing different sub-tasks are suffixed with different
+numbers. The meanings of suffixes and the number of suffixed tasks in the micro
+canonical set are list in the following table:
+
+| Suffix | Sub-tasks                                | #Tasks |
+|--------|------------------------------------------|--------|
+| 0      | `home-search-article-about`              | 18     |
+| 1      | `home-search-article-rate_no`            | 6      |
+| 2      | `home-search-article-rate_yes`           | 10     |
+| 3      | `home-search-article-share`              | 11     |
+| 4      | `home-search-article-author[-article]`   | 7      |
+| 5      | `home-search-article-bookmark`           | 13     |
+| 6      | `home-search-article-category[-article]` | 9      |
+| 7      | `home-search-article-reference`          | 11     |
+| 8      | `home-search-article`                    | 25     |
+| 9      | `home-search-steps`                      | 15     |
+| 10     | `home-search-needed_items`               | 10     |
+| 11     | `home-search-ingredients`                | 5      |
+| 12     | `home-search-summary`                    | 10     |
+
 ### About
 
 This task set is developed and maintained by [SJTU