method weight
1 12.0129
1 12.0072
1 12.0064
1 12.0054
1 12.0016
1 11.9853
1 11.9949
1 11.9985
1 12.0077
1 12.0061
2 12.0318
2 12.0246
2 12.0069
2 12.0006
2 12.0075