Made Warehouse H with 2 boxes
Warehouse H has 2 items (4, 2)

Setting Box 0 to size 5
Warehouse H has 2 items (5, 2)

Made Warehouse C with 3 strings
Warehouse C has 3 items (This, Is, template)

Manipulating strings 1 and 2
Warehouse C has 3 items (This, is, templated.)