*even*book's pages. Directly from his post on Clarity:

- Fan the pages of a book (such as the
*I Ching*). - Very casually divide the pages at a random position, as if cutting a deck of cards.
- Look at the last two digits of the number of the even-numbered page (generally on the left).
- If it is divisible by four, count it as “tails” or 2.
- If not, count it as “heads” or 3.
- To make the math easier, subtract a multiple of 4 from the page number, such as 40 or 80.
- Three divisions determine one line, just like using coins.

#### Probabilities

As Russel suggested, the probabilities are the same as the three coins method. In fact, picking at random an even number, the chance of it being divisible by 4 is 1/2 and hence:
Prob(6) = Prob(9) =

Prob(8) = Prob(7) =

Prob(

^{1}/_{8}= 12.5%Prob(8) = Prob(7) =

^{3}/_{8}= 37.5%Prob(

*yin*) = Prob(*yang*) =^{1}/_{2}
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