c7 : flattened 3D Seven puzzle; scramble/restore + solver
c9 : reverse the order: 9 irregular blocks + solver
caz: flattened 3D Alphabet slider; scramble/restore + solver
cdd: DirtyDozen sliding blocks + solver
chio : Hole In One Slider
chio4 : Hole In One + 4 Slider
cpan : Panama Canal slider puzzle
crush : Traffic Rush puzzle; escape the garage; + solver
cslid : Klotski style Slider puzzles + solver
csok : Sokoban + solver
rpn : Calculator--Reverse Polish Notation
cfrog: Frogger Arcade Game
cpac : Pacman Arcade Game
