A method of state maintenance for a flash storage card system. The memory stores a roaming list, such as a PRL, that includes a plurality of SID elements ranked according to an order of preference including at least one more-preferred stored SID element and at least one less-preferred stored SID element. The present invention also provides a method of preventing blood flow from a blood vessel into an aneurysm using the occlusion device of the present invention. The electrode is buried in the insulation layer, and a first end surface of the electrode is exposed from the insulation layer. A round consists of a player andor team bidding on the amount to charge for an insurance premium to insure the entity for a particular period of time, such as one year.