62. The clock strikes twelve

- Grandfather's clock strikes six times in thirty seconds. How many seconds will it take to strike twelve times? - asked the Black Queen.
- Of course, in sixty seconds! - exclaimed Alice. - Oh no! - she corrected herself. - I was wrong. Please wait, I will give the correct answer now!
- Too late! - triumphantly pronounced the Black Queen. - What's said can't be unsaid!

What is the correct answer?
62. The clock strikes twelve. The sixth strike is separated from the first by five time intervals (pauses). In total, these five pauses last $30 \mathrm{s}$, so the pause between two consecutive strikes is 6 s (not 5, as some mistakenly believe!). The twelfth strike is separated from the first by 11 pauses. Therefore, the 12 strikes will take $66 \mathrm{s}$.