In practice, only 49 yuan is enough. If you take fifty dollars at first, take one off. If you take fifty-five at first, take six.
Now begin the first step of divination: divide 49 pieces into left and right groups randomly. Don't underestimate such a simple grouping, which has profound symbolic significance and symbolizes the beginning of chaos and the division of heaven and earth. Thus, these two sets of chess pieces, one symbolizing the sky and the other symbolizing the earth.
Step two: heaven and earth are here. Is it time to find someone?
Yes, any group can take 1 piece (some people say that it can only be taken from the group to the right of the sign bit). This work symbolizes people. In this way, heaven, earth and people are all there. Our ancestors called these three things "three talents".
Step 3: Count the number of pieces symbolizing the sky, and divide this number by 4 to see what the remainder is.
When any number is divisible by 4, there are only four possibilities for the remainder: 1, 2,3, divisible.
In case of division, let's take the remainder as 4. Okay, now take the rest away.