As shown in the figure, before each line of the table shown in the figure, insert the contents of the first line title line respectively.

1, insert 9 blank lines between 1 and 2 lines.

2. Fill the first line in line 2~ 10.

3. Fill in "1" and "3" in cells H 1 and H2 respectively.

4. Select cells H 1 and H2, and move the mouse to the lower right corner of H2. When the cursor changes to a black cross, hold down the left mouse button and drag it down to H 10.

5. Fill the cell H 1 1~H20...20 with 2, 4 and 6 as above.

6. Cancel the multi-selection of H 1 1~H22, and position the cursor in a cell of H 1~H20. Click Sort in Ascending Order in the formatting toolbar.

7. Complete the task. Just delete the H column.