====== Starting
    Snapshot count: 0
    Snapshot: <null>
=== Add 1
    Snapshot count: 0
    Snapshot: <null>
=== Add 0
    Snapshot count: 2
    Snapshot: 0, 1
=== Add 2
    Snapshot count: 3
    Snapshot: 0, 1, 2
=== Add 4
    Snapshot count: 3
    Snapshot: 0, 1, 2
=== Add 3
    Snapshot count: 5
    Snapshot: 0, 1, 2, 3, 4
=== Add 6
    Snapshot count: 5
    Snapshot: 0, 1, 2, 3, 4
=== Final Sequence:
1) 1
0) 0
2) 2
4) 4
3) 3
6) 6
    Snapshot count: 7
    Snapshot: 0, 1, 2, 3, 4, -1, 6
====== Starting
    Snapshot count: 0
    Snapshot: <null>
=== Add 4
    Snapshot count: 0
    Snapshot: <null>
=== Add 1
    Snapshot count: 0
    Snapshot: <null>
=== Add 0
    Snapshot count: 2
    Snapshot: 0, 1
=== Add 2
    Snapshot count: 3
    Snapshot: 0, 1, 2
=== Add 3
    Snapshot count: 5
    Snapshot: 0, 1, 2, 3, 4
=== Final Sequence:
4) 4
1) 1
0) 0
2) 2
3) 3
    Snapshot count: 7
    Snapshot: 0, 1, 2, 3, 4, -1, -1
