Length	WT1	WT2	KO1	KO2
27	26.49121	27.35585	30.76456	30.80186
28	45.3484	44.09136	47.76467	46.53298
29	23.08241	23.19124	18.98596	19.53282
30	5.07798	5.36155	2.48481	3.13233