can be solved

6 triples
GPTKB property

Random triples
Subject Object
gptkb:4x4x4_Cube using various methods
gptkb:2x2x2_Cube using algorithms
gptkb:Monty_Hall_problem using simulations
gptkb:Futoshiki using deduction
gptkb:Rubik's_Revenge using algorithms
gptkb:Rubik's_Cube_8x8 using algorithms