n,method,nodes,time_us
5,TightBound,14,0
5,LooseBound,24,0
10,TightBound,30,0
10,LooseBound,56,1
15,TightBound,41,0
15,LooseBound,75,1
20,TightBound,40,0
20,LooseBound,145,4