hallway.addNeighbor("north", kitchen);
    hallway.addNeighbor("west", upstairsLobby);
    hallway.addNeighbor("east", livingRoom);
    kitchen.addNeighbor("west", bathroom);
    kitchen.addNeighbor("south", hallway);
    bathroom.addNeighbor("east", kitchen);
    livingRoom.addNeighbor("west", hallway);
    upstairsLobby.addNeighbor("north", jaysRoom);
    upstairsLobby.addNeighbor("west", blakesRoom);
    upstairsLobby.addNeighbor("east", mikesRoom);
    upstairsLobby.addNeighbor("south", hallway);
    blakesRoom.addNeighbor("east", upstairsLobby);
    jaysRoom.addNeighbor("south", upstairsLobby);
    mikesRoom.addNeighbor("west", upstairsLobby);