Siebenstein - Spiele, Germany, circa 2010.
(wood and plastic, 1.2" x 8.1" x 11/16")
There are 7 unit size tokens labeled 1, 2, 3, 6, 7, 8, 9,
and two 1x2 tokens, one labeled 4-5 and one labeled "LineArt".
One 1x2 piece or two unit size pieces can be parked in the center
above or below the middle row by sliding the center disc up or down.
The middle row of 9 units can be slide so that any two positions are in the slider.
The task is to mix things up and then put back to the solved position shown above.