Have a friend write 2 numbers from 1-20 on the first 2 lines
of 10 on a page. On the next 8 lines, have your friend add the 2 lines above.
Line 3 will be the sum of 1&2, to line 10, the sum of 8&9. Have her total
the whole list, but beat her to the answer by multiplying line 7 by 11.
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