A map of Squareville shows its 12 streets (line segments) and 8 intersections (A, B, C, ... , H) as shown. In how many different ways can someone travel from A to H along the streets without passing through any intersection more than once, or travelling along the same street more than once?

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.