up key・・・jump down key・・・sink left key・・・move to the left right key・・・move to the right ↑キー・・・ジャンプ ↓キー・・・沈む ←キー・・・左に移動 →キー・・・右に移動
I added a wall at which you must sink. Unfortunately, I don't have Japanese on my computer, so I can't translate this.
