A rebus is a pictogram that represents a word, phrase, or saying. For example, "Ci ii" represents "See eye to eye." What word or phrase does the following rebus represent: O_ER_T_O_?

Answer: Painless operation.
Explanation: The letters missing in O_ER _T _O_ (OPERATION) spell out PAIN. Thus, "pain-less" operation.
1 start both timers
2. when the 7 min timer runs out, start the egg, there are 4 mins left in the 11 min timer
3. when those 4 mins run out restart the 11 min timer