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OneToFive is a mathematical game written in Ruby with a Qt4 GUI. The goal is to fill in a grid with numbers from 1 to 5 using vertical and horizontal combinations (pair, two pairs, three of a kind, straight, full house, ...) that are given.
It is a Web-based Application Development Framework of rails based. The old project call orange-angel. Now, it is called puzzle. This is a updating from orange-angel. Meanwhile, the old project, orange-angel will be removed from this web site.