{'tokyo air route': [0, 0, 0, 1], 'airports': [0, 1, 1, 0], 'new york': [8, 0, 4, 8], 'london': [7, 3, 11, 16], 'paris': [9, 1, 6, 11], 'rome': [1, 0, 0, 0], 'panama': [0, 0, 1, 0]}