★ 6.3
★ 5.3
★ 6.7
★ 6.2
★ 6.0
★ 4.8
★ 5.6
★ 5.7
★ 6.6
★ 8.0
★ 0.0
★ 4.4
★ 6.4
★ 5.9
Think inside the box
Four mathematicians are imprisoned in a shrinking room; with the walls closing in, they must try anything to escape this fatal puzzle.