FF3.0+FB1.2b13

C1: [] observer: [] 0
C1
A is empty
C1: [] observer: [] 0
C1: [] observer: [] 0
A has one item
C1: [] observer: [] 0
C1: [] observer: [] 0
A has two items
C2
A is empty
A has one item
A has two items
C3
A is empty
A has one item
A has two items
C2: [] observer: [] 0
C2: [] observer: [Object name=Object1, Object name=Object2] 2
C2: [] observer: [Object name=Object1, Object name=Object2] 2
C2: [] observer: [Object name=Object1, Object name=Object2] 2
C2: [] observer: [Object name=Object1, Object name=Object2] 2
C3: [] observer: [Object name=Object1, Object name=Object2] 2
C3: [] observer: [Object name=Object1, Object name=Object2] 2
C3: [] observer: [Object name=Object1, Object name=Object2] 2
C3: [] observer: [Object name=Object1, Object name=Object2] 2
C3: [] observer: [Object name=Object1, Object name=Object2] 2