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Figure This!

One way to approach this problem is to list the gifts received on each day. This information could be organized in a table as below:

Day
1
2
3
4
5
6
7
8
9
10
Total
Kitten
 1 1 1                
H-Bird
   2 2                
Ring
     3                
Book
                      
Candy
                      
Bracelet
                      
Bouquet
                      
Perfume
                      
CD
                      
Puppy
                      
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