colonies	groups
6.000000000e+000	soap
1.600000000e+001	soap
2.600000000e+001	soap
2.700000000e+001	soap
3.000000000e+001	soap
4.600000000e+001	soap
7.600000000e+001	soap
	soap
2.100000000e+001	control
3.000000000e+001	control
3.500000000e+001	control
3.600000000e+001	control
3.800000000e+001	control
4.500000000e+001	control
6.300000000e+001	control
6.600000000e+001	control