The Grey Labyrinth is a collection of puzzles, riddles, mind games, paradoxes and other intellectually challenging diversions. Related topics: puzzle games, logic puzzles, lateral thinking puzzles, philosophy, mind benders, brain teasers, word problems, conundrums, 3d puzzles, spatial reasoning, intelligence tests, mathematical diversions, paradoxes, physics problems, reasoning, math, science.
That pointless little introduction does have a
point after all, the numbers relate to words in the
introduction, the first letter of each word spells
GREY LABY - The remaining numbers are 31, 37, 40, 42,
55.