6 + 6, 3 + 3, 1 + 1 + 1
You can measure 3 items with 1 measure. It is either 1 != 1 = 1 or it is 1 = 1 != 1. If you get lucky you can do it in 2 measures, but the most it should ever take is 3. 5 5 2, 2 2 1, 1 1.
The dates puzzle was pretty good, I thought. I actually had to jot down a...