%% path20
maxDegree = 2;
lb = 1;
ub = 1;
order = 20;
nedges = 19;
edges = 
[|1,10
|2,5
|2,15
|3,12
|3,14
|4,7
|4,13
|5,19
|6,11
|6,13
|7,18
|8,9
|8,20
|10,16
|11,12
|14,16
|15,20
|17,18
|17,19
|];