Well, this is the last of the series. Only for true geeks, who are able to read binary.
It was easier to define because the zeros and ones can be read from any angle. Also there is no lenguaje version, just binary numbers. The random colors represent months, days a week and tens.
The only difficulty was to modify a font to make the zero and one as simple as possible.
I think this obsession with calendars is somehow an attempt to avert the 2010. Now 2010 is so close that I thinkÂ is time to move on to other things.
As a bonus there you have a mix version between binary and spiral.