k	n	OrTools CS	OrTools PBPB
18	90	0.36271798	0.38493864
18	180	1.08107494	0.48401683
18	360	2.47835923	0.8505682
18	720	3.49877493	1.99428174
18	1440	5.9591275	3.95107607
18	2880	13.72345036	7.6869324
18	5760	37.33099709	13.32394549
18	11520	110.6935845	25.23006501
18	23040	509.94501948	54.99304968
18	46080	2992.98431832	136.77155309