Find the value of the constant term in the expansion of
$$\left( x ^ { 6 } - \frac { 1 } { x ^ { 2 } } \right) ^ { 12 }$$
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Find the value of the constant term in the expansion of

$$\left( x ^ { 6 } - \frac { 1 } { x ^ { 2 } } \right) ^ { 12 }$$