rownames,x1,x2,x3,x4,y1,y2,y3,y4
1,10,10,10,8,8.04,9.14,7.46,6.58
2,8,8,8,8,6.95,8.14,6.77,5.76
3,13,13,13,8,7.58,8.74,12.74,7.71
4,9,9,9,8,8.81,8.77,7.11,8.84
5,11,11,11,8,8.33,9.26,7.81,8.47
6,14,14,14,8,9.96,8.1,8.84,7.04
7,6,6,6,8,7.24,6.13,6.08,5.25
8,4,4,4,19,4.26,3.1,5.39,12.5
9,12,12,12,8,10.84,9.13,8.15,5.56
10,7,7,7,8,4.82,7.26,6.42,7.91
11,5,5,5,8,5.68,4.74,5.73,6.89