before final difference
2.3  4.3  2.0
2.6  4.6  2.0
2.5  4.9  2.4
2.0  3.8  1.8
2.4  4.3  1.9
2.4  4.2  1.8
2.1  4.1  2.0
2.5  4.0  1.5
2.0  3.9  1.9
2.2  4.3  2.1