Length_of_Roll	Ln_Length_of_Roll	Number_of_Faults
551	6.311734809	6
651	6.478509642	4
832	6.723832441	17
375	5.926926026	9
715	6.572282543	14
868	6.766191715	8
271	5.602118821	5
630	6.445719819	7
491	6.196444128	7
372	5.918893854	7
645	6.469250317	6
441	6.089044875	8
895	6.796823718	28
458	6.126869184	4
642	6.464588304	10
492	6.198478716	4
543	6.29710932	8
842	6.735780014	9
905	6.807934944	23
542	6.295266001	9
522	6.257667588	6
122	4.804021045	1
657	6.487684018	9
170	5.135798437	4
738	6.603943825	9
371	5.916202063	14
735	6.599870499	17
749	6.618738984	10
495	6.204557763	7
716	6.573680167	3
952	6.858565035	9
417	6.033086222	2