List of impossible puzzles
From Infogalactic: the planetary knowledge core
Lua error in package.lua at line 80: module 'strict' not found. This is a list of puzzles which have been proven impossible to solve. An impossible puzzle is one that cannot be solved by following its directions or criteria.
- 15 puzzle for half of the starting positions
- Five room puzzle
- MU puzzle
- Mutilated chessboard problem
- Coloring the edges of the Petersen graph with three colors
- Seven Bridges of Königsberg
- Three cups problem
- Water, gas, and electricity
See also
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