I'm going to assume it's just because they've made a lot of gems. After a while you're going to run out of 3 3 combinations and need to start using 4 3
Advertisement
Spoilers will be present! Please browse at your own risk.
READ MORE
I'm going to assume it's just because they've made a lot of gems. After a while you're going to run out of 3 3 combinations and need to start using 4 3