First of all, it is a basic numerology to seal ebony and hide ebony as a tomb without soil, which can't be wrong. But in numerology, ebony should be transferred from the tomb to the warehouse, and it can be done at any time, year or month. It is right to lead ebony out of the tomb and put it in storage.
Numerology itself is an independent theory, which mainly analyzes the influence of date on human fortune; Geomantic omen is a completely different theory, which mainly analyzes the influence of direction and orientation on people within its scope. The intersection of the two theories is there, but not much.
I am too shallow to deny whether the method of turning the grave into a library is feasible or effective, but it is theoretically impossible.
For example, there are two wooden rabbits in the east. I don't know why your family is sitting in the east, but if your family is guilty of evil, such as sitting in a house facing north and south today, the east is the evil party. If you put something that belongs to wood, it will aggravate the evil of the East, and there will definitely be a fierce reaction. I don't know if this can solve your numerology problem, evil does not suppress right.