weight	group
2.960000000e+001	1.400000000e+001
2.150000000e+001	1.400000000e+001
2.800000000e+001	1.400000000e+001
3.460000000e+001	1.400000000e+001
4.490000000e+001	1.400000000e+001
3.270000000e+001	1.500000000e+001
4.030000000e+001	1.500000000e+001
2.370000000e+001	1.500000000e+001
2.520000000e+001	1.500000000e+001
2.420000000e+001	1.500000000e+001