The 15 puzzle - solving the unsolvable 19th century Rubik's square The 15 puzzle - solving the unsolvable 19th century Rubik's square begin-post-stats Mathologer • 51K views end-post-stats begin-duration 14:40 end-duration Math topics: _Abstract_algebra_##Abstract algebra##_Solvable_group_##Solvable group##_Permutation_##Permutation##_Parity_of_a_permutation_##Parity of a permutation##_Mathematics_##Mathematics##_Parity_(mathematics)_##Parity (mathematics)##_Union_(set_theory)_##Union (set theory)##_Square_(algebra)_##Square (algebra)##_Mathematics_##Mathematics Other topics: _Single-player_games_##Single-player games##_Rubik's_Cube_##Rubik's Cube##_15_puzzle_##15 puzzle##_Mechanical_puzzle_##Mechanical puzzle video-id: GXJOVoyZcXQ channel_Mathologer_ So What Learning Abstract algebra , Mathematics , Single-player games Monday, January 22, 2018 Share Share
