下一个箭头，从包含4的单元格开始，也指向左上侧，但是值没有变。

The next arrow, from the cell containing a 4, also points up and to the left, but the value doesn't change.

youdao

你可以现在可以通过侧栏上的小箭头把侧面的导航栏隐藏。

You can now hide the side navigation by clicking on theseparator to its right.

youdao

接着这个箭头也是如此。下一个单元格的箭头还是指向左上侧，但是这次值从3变为4。

And the next cell also points to the left and above, but its value also doesn't change.

youdao