Give two distinct realizations for the transfer functions below:

(a) \(H(z)=0.0034+0.0106 z^{-2}+0.0025 z^{-4}+0.0149 z^{-6}\).

(b) \(H(z)=\left(\frac{z^{2}-1.349 z+1}{z^{2}-1.919 z+0.923}\right)\left(\frac{z^{2}-1.889 z+1}{z^{2}-1.937 z+0.952}\right)\).