emmetth View Developer Hopover Puzzle Puzzle emmetth 2.1 Towers of Hanoi Puzzle emmetth 2.7 15 Puzzle Puzzle emmetth 2.3 Flip Flop Puzzle emmetth 2.1
 "Hopover Puzzle"){kind=icon}
 "Towers of Hanoi"){kind=icon}
 "15 Puzzle"){kind=icon}
 "Flip Flop"){kind=icon}