A man steps on a tack with his bare foot, piercing the sole of his foot but not drawing blood. In order from deep to superficial, list the maximum possible layers of skin that were penetrated by the tack. Deep 1. [Fill in the blank], 2. [Fill in the blank], 3. [Fill in the blank], 4. [Fill in the blank], 5. [Fill in the blank], Superficial 多项填空题

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