The method of playing a card game and includes randomly associating cards from a first virtual deck of cards with a set of numbers of a card selecting section so that each number is associated with a different card. The compositions may be used as medicaments for treating a disease characterized by damaged or degenerated soft tissues. The method further includes sending a first signal enabling flow of the current according to a desired conduction angle when a subsequent zero-crossing indicating the leading edge of the supply signal does not occur within a second time, the second time being at least as long as the first time. A second housing has a recess portion into which a memory chip is to be fitted and secured, in the surface.