Gas Electricity Water Puzzle

How do you connect mr angry mr beastly and mr cross to gas water and electricity without.
Gas electricity water puzzle. The three cottages problem or sometimes water gas and electricity can be stated as follows. Furthermore no connections may cross each other. Gas water electric to 3 houses. Answer to puzzle 26.
The classical mathematical puzzle known as the three utilities problem. Nearby there are gas water and electric plants. Connecting gas water electric to three houses. In a suburb three new houses all have to be connected to a gas red water blue and electricity green supply.
Suppose there are three cottages on a plane or sphere and each needs to be connected to the water gas and electricity companies. Unfortunately the pipes and cables must not cross each other. A man has built three houses. This problem is perhaps the perfect introduction to graph theory.
All houses should get their own gas water and electricity connection.