HELP HELP seed trouble

i planted ten blueberry seeds that were 4 years old in coco coir, im new to this figured it would work out good kept them moist in a propagation set up with a heat matt its been 10 days nothing happened dug at them and there was a few mold spores on them so i dug them all up put them in a wet paper towel plate set up to germinate them atleast...should i soak them in a h202 solution to get rid of the mold or will they be ok?

thanks in advance i dont want to lose me babies

bump to get bck to top could use some help please