N-dimensional sequential move puzzle have succeeded in finding them on all similar puzzles that have so far been solved. A 2-D Rubik type puzzle can no more be physically constructed than a 4-D one can. A 3-D puzzle could be constructed with no stickers on the third dimension which would then behave as a 2-D puzzle but the true implementation of the puzzle remains in the virtual world. The implementation shown here is from Superliminal who call it the 2D Magic Cube. The puzzle is not of any great interest to solvers as its solution is quite trivial. In large part this is because
D-3 (video) format-specific recognition holes. Maximum D-3 runtimes (in the Fujifilm lineup) are 50, 126, and 248 minutes. The D-3 format is now regarded as obsolete. In the 1990s the BBC embarked on a massive project to copy its older video tapes onto D-3, but the D-3 cassettes themselves have become unstable and are being transferred again, although there is doubt over whether the surviving D-3 machines will last long enough to play the 340,000 tapes which the corporation holds. D-3 (video) D-3 is an uncompressed composite digital video videocassette format invented at NHK, and introduced commercially by Panasonic in 1991 to