There are several ways to put together a large cuboid with 18 small cuboids whose edges are 1 cm long. What is the smallest square centimeter in surface area

There are several ways to put together a large cuboid with 18 small cuboids whose edges are 1 cm long. What is the smallest square centimeter in surface area

Hello!
There are several ways to spell a large cuboid with 18 small cuboids whose edges are 1 cm long. The largest surface area is 80 square cm, and the smallest is 32 square cm
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