Consider the polynomial f(t)=t3+6t2+12t+8. What are the coefficients of $f(t-1)$? Enter your answer as an ordered list of four numbers. For example, if your answer were $f(t-1) = t^3 + 3t^2 - 2t + 7$, you'd enter (1,3,-2,7). (This is not the actual answer.)