Find the sum ⟨1,2,3⟩+⟨3,2,1⟩\langle 1, 2, 3 \rangle + \langle 3, 2, 1 \rangle⟨1,2,3⟩+⟨3,2,1⟩.
⟨4,4,4⟩\langle 4, 4, 4 \rangle⟨4,4,4⟩
⟨3,4,3⟩\langle 3, 4, 3 \rangle⟨3,4,3⟩
⟨4,2,4⟩\langle 4, 2, 4 \rangle⟨4,2,4⟩
⟨1,2,1⟩\langle 1, 2, 1 \rangle⟨1,2,1⟩