The above graph represents a simple irrigation game played by three players.
Then the irrigation game is the following: v_{(G; c)}(\emptyset)=0, v_{(G; c)}(\{1\})=11, v_{(G; c)}(\{2\})=5, v_{(G; c)}(\{3\})=7, v_{(G; c)}(\{1,2\})=16, v_{(G; c)}(\{1,3\})=23, v_{(G; c)}(\{2,3\})=12, v_{(G; c)}(\{1,2,3\})=23.