User blog comment:Willbachbakal/(Champion Rework) Viktor, the Machine Herald/@comment-12443575-20140626153957/@comment-1330314-20140626173107

The cores are designed so that the only difference in stats at the beginning of the game is +10 movespeed, +10% CDR or +10% magic pen. Just looking at those stats should tell you what lane each Hex Core is designed for.