booster[1]:
0:[f28<-9.53674316e-07] yes=1,no=2,missing=1
	1:[f55<-9.53674316e-07] yes=3,no=4,missing=3
		3:leaf=1.71217716
		4:leaf=-1.70044053
	2:[f108<-9.53674316e-07] yes=5,no=6,missing=5
		5:leaf=-1.94070864
		6:leaf=1.85964918
booster[2]:
0:[f59<-9.53674316e-07] yes=1,no=2,missing=1
	1:[f28<-9.53674316e-07] yes=3,no=4,missing=3
		3:leaf=0.78471756
		4:leaf=-0.968530357
	2:leaf=-6.23624468
