On a piece of paper. draw 3 squares and label them 1 2 and 3.
make 3 more squares and label them E G and W
the numbers stand for houses and E is electricity, G is Gas, W is water.
each house must have a connection to all three, electricity gas and water. in order to do this, draw a line to connect each one. you cannot cross lines and you cannot connect houses to other houses.
