Find a set of parametric equations to represent x=1-2y using the parameter t=3-√y.

y=(t-1)^{2} and x=-3t^{2}+6t+1

y=(3-t)^{2} and x=-2t^{2}+12t-17

y=(3+t)^{2} and x=2t^{2}-12t+17

y=(t+1)^{2} and x=3t^{2}-6t-1