Up↑ Up↑, Down↓ Down↓
Up and Down
up down up down up
up and down and up and down
Up and down :)
Up, down, up, down...
Bouncing up and down
Up and down, up and down
Up and Down
Up and down
up and down
Up and Down
Slowly up and down
Up and down
Up-and-down
Up and down
up and down
Up and Down
Bouncing up and down