https://zamboch.blogspot.com/2007/11/cube21-silver-edition-database-of-all.html?showComment=1196289840000
Zamboch: Cube21 Silver edition - database of all solutions
Cube21 or Square One is puzzle similar to Rubik's Cube. I'm proud owner of one from Silver edition (which have only two colors) since year 2...
silver editiondatabase ofsolutions