User blog comment:Puretppc/Level 501 Suggestion/@comment-4885303-20131027083041/@comment-24044003-20131028174457

I don't know about 30 move ones but with 4 colours, you can really destroy them unintentionally if you make combos. Like I said before somewhere in this blog, a chain reaction is caused. This is why level 252 can run forever even if you don't intentionally destroy the time candy.