040000 tree 975d2f0898124f06b00140ac092c0123c4487544	MultiChild
040000 tree a8adfcb584f8be3cff3f384e280fddc2d2676cf8	genwithoutrev
040000 tree 8105eeb95566fd363108959ccd910cd8642874b9	nogen
040000 tree 0104747a381000f6d08e21bd8d47f7a9f344850e	singleChild