a     b   c  d    e	
4.1  5.2  6.3  6.5  9.5
3.3  4.8  6.5  6.8  9.6
3.1  4.5  7.2  7.3  9.2
4.2  6.8  7.4  7.5  9.1
3.6  5.5  7.8  6.9  9.8
4.4  6.2  6.7  7.0  9.1