(* Going from Rennes to Cachan, Ph.D. thesis version *)

(*********************************)
structure
(*********************************)

n1:
	-> (p12) n2;
	-> (p14) n4;
	-> (p13) n3;

n2:
	-> (p24) n4;
	-> (p23) n3;

n3:
	-> (p35) n5;
	-> (p36) n6;

n4:
	-> (p45) n5;

n5:
	-> (p56) n6;

n6:


(*********************************)
costs
(*********************************)

& p12 = 80
& p13 = 125
& p14 = 130
& p23 = 180
& p24 = 55
& p35 = 40
& p36 = 60
& p45 = 25
& p56 = 10
