It's difficult to solve this hexagonal puzzle.

Let's roll the dice and decide the next action.

I wake up at six o'clock every day.

Souroku is my best friend.

He picked up a six-chambered revolver.

It's difficult to calculate the area of this hexagon.

We have a responsibility to protect this world.

I have been studying Japanese for six months.

He is heading to the headquarters.

My house is located in a quiet rural district.