
item 1 not found
new item: 1
item 1 found
item 2 not found
1 
new item: 2
2 1 
new item: 3
3 2 1 
item 1 found
item 2 found
item 3 found
item 4 not found
3 2 1 
item 1 deleted
3 2 
item 3 deleted
2 
item 2 deleted

