The launderer gives ticket 0.
The launderer gives ticket 3.
The launderer gives back batch 0.
0 is freed.
1 is freed.
2 is freed.
The launderer gives ticket 5.
No space left, please come back later.
The launderer gives back batch 5.
6 is freed.
0 is freed.
1 is freed.
2 is freed.
The launderer gives ticket 5.
