>3 + 1 + 1 + 3 + 1 + 1 + 3 = 13, but that seems to easy. Why would someone believe the answer was 7? I must be missing something...
And yet, 7 is the correct answer. If this surprises you, I repeat: please take a look at
real books. Perhaps you will thus find out what you are missing... and what most people miss when trying to solve this problem.
Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
