% This is a graph. n 20 300 0 n 200 300 1 n 200 200 2 n 200 400 3 n 380 300 4 n 380 200 5 e 0 2 0 8 e 0 3 1 10 e 0 1 2 7 e 2 4 3 12 e 3 4 4 5 e 3 2 5 2 e 3 1 6 11 e 1 4 7 1 e 1 5 8 21 e 4 5 9 14 % End of graph