Dog, Dog, Snake

Dog, Dog, Snake is a game from the book of Yippee Ti-Yay, Happy Birthday.

Rules of game

 * 1) Everyone sits in a circle.
 * 2) One person is it.
 * 3) It walks around the outside of the circle gently tapping each person on the head and saying, "Dog."
 * 4) At some point, It gently taps someone in the circle on the head and says, "Snake!"
 * 5) It must run around the circle and sit in Snake's spot before Snake tags it.
 * 6) If Snake catches It, then the game starts again with the same It, but if It makes it to Snake's spot, the game starts again with Snake as It.