k	n	OrTools CS	OrTools PBPB
18	180	1.12486855	0.5020478
19	190	1.57376892	0.69140099
20	200	1.75343947	0.68875378
21	210	2.16694276	0.85414619
22	220	2.57815867	0.92834968
23	230	3.20144176	1.14328196
24	240	3.90877077	1.20234087
25	250	6.39001617	1.43011497
26	260	6.39580994	1.56722233
27	270	10.74599903	1.95261455
28	280	10.07905998	2.13161743
29	290	14.9727322	2.57232987
30	300	21.69032076	2.84039367
31	310	35.67992325	3.31785695
32	320	31.53795381	3.63337893
33	330	78.15967664	4.27982384
34	340	70.62552887	4.48140314
35	350	131.02867229	5.82125976
36	360	164.91509828	7.3828773
37	370	270.48783878	8.63236287
38	380	279.44028898	9.73961976
39	390	557.1369521	10.25144179
40	400	976.42185487	15.19859471
41	410	828.15119574	15.15612829
42	420	1306.90159452	19.9293594
43	430	2282.02606849	28.53513676
44	440	NaN	42.2822352
45	450	NaN	45.96890333
46	460	NaN	62.45756778
47	470	NaN	91.09743798
48	480	NaN	131.93955855
49	490	NaN	135.29523858
50	500	NaN	255.62082348
51	510	NaN	358.68383126
52	520	NaN	355.54420221
53	530	NaN	805.40844292
54	540	NaN	1208.45875374
55	550	NaN	1636.53596552