Empty sizes:
Packed: 92
Array:  92
int:    92
Hash:   92

Populated sizes:
Packed: 260
Array:  497
int:    209
Hash:   682
Item 1 count 2, flag 1
Item 1 count 2, flag 1
Item 1 count 2, flag 1
Item 1 count 2, flag 1
Item 2 count 1, flag 0
Item 2 count 1, flag 0
Item 2 count 1, flag 0
Item 2 count 1, flag 0
Item 3 count 2, flag 0
Item 3 count 2, flag 0
Item 3 count 2, flag 0
Item 3 count 2, flag 0