How do you burn Soul Calibur and Disc 2 of Grandia 2?????

How do you burn Soul Calibur (cnn-sc.cdi) and Disc 2 of Grandia 2 (e-gr2cd2.cdi). I wasted 5 cd-r on soul calibur so far and 2 on grandia 2 disc 2. These two games leave a gap near the beginnin of the cd-r, so far sussfully burn 18 games so far and Disc 1 of Grandia 2 burned and it worked