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Originally Posted by

**Nogetsu**
But the question then rises to how long a card stays 'alive', Alberio shows a spread of 6+ cards, and with a guess we could say that he was Nagi's 4th partner...

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But back to what I was saying, the life of a card can't be all that long with such a wide spread of cards from Alberio, unless for an example its 2-4 years, which would make sense if he was Nagi's partner for a long time, but that would mean that he had been in contact with Nagi to refresh the card's contract for the card to be active as it is in the Budokai ten plus years since his disappearance...

Remember the comment made by Alberio that his age and that of Asuna cannot be judged by appearances alone. I theorise that Alberio could be really really old and had a lot of pactios made with other Magister Magis. It just so happens that he outlived them all, hence a bunch of dead cards.
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Humans' superstition considers the numbers 7, 11, and 13 to be bad luck. In playing dice, 7 and 11 are "crapping" or drop-out numbers. And 13 is awful. But so long as the comprehensive cyclic dividend fails to contain prime numbers which may occur in the data to be coped with, irrational numbers will build up or erode the processing numbers to produce irrational, ergo unnatural, results. We must therefore realize that the tables of the trigonometric functions include the first 15 primes 1, 2, 3, 5, 7, 11, 13, 17, 19, 23,29,31,41,43.

We know 7 × 11 is 77. If we multiply 77 by 13, we get 1,001. Were there not 1,001 Tales of the Arabian Nights? We find these numbers always involved with the mystical. The number 1,001 majors in the name of the storytelling done by Scheherazade to postpone her death in the Thousand and One Nights. The number 1,001 is a binomial reflection pattern: one, zero, zero, one.

Much more there if you can bother to look through it all. My point being that Alberio's 1001 is carefully chosen as oppose to the numbers on the Class 3-A girls' cards. It is also unlikely that Alberio is Nagi's 1001st partner and thus serving a register function, being already mentioned in volume 7's remarks that the numbers on the cards have meaning to them.