left hand   index finger   →↑Uる
left hand   index finger   →↑Uる
Uleft hand   index finger   →↑UうるUleft hand   index finger   →↑Uうる

Aleft hand   index finger   →↑UあるAleft hand   index finger   →↑Uあるif you click here (this enter mark), you will see the symbolical indicators of the keys

If you click this mark, you will go to the next page. Let's go next step by step. Instead of clicking this mark, you can press tab key and enter key one by one.