Instances in graph qb sorted by label

Instance	#Properties
_:_:qb1	1
_:_:qb2	1
_:_:qb3	1
_:_:qb4	1
_:_:qb5	1
_:_:qb6	1
_:_:qb7	2
_:_:qb8	2
_:_:qb9	2