선형사상 $T : ℝ^3 \rightarrow ℝ^2$ 가 $T \left (1, 0, 1 \right) = \left (2, 1 \right)$. $T \left (1, 1, 2 \right) = \left (-3, 2 \right)$ 를 만족시킬 때 $T \left (1, -2, -1 \right)$ 은?

• ①$\left (-12, -1 \right)$
• ②$\left (-12, 1 \right)$
• ③$\left (12, -1 \right)$
• ④$\left (12, 1 \right)$