There are four words in the sentence of thirteen letters.

[Solution]

No. LXXXVI.—TOLD AT A GLANCE

Ask anyone to fix upon a number between 1 and 60 inclusive, and to point out to you the square or squares in which it appears:—

3579111 56713124
131517192123141520212223
252729313335282930313637
373941434547523839444546
495153555759475354556013
9101112138 36710112
141524252627141518192223
282930314041262730313435
424344454647383942434647
565758596013505154555859
171819202116 333435363732
222324252627383940414243
282930314849444546474849
505152535455505152535455
565758593060565758596041

[Image]

You can find the number at a glance, by simply adding together the numbers in the right-hand top corner cells of the square indicated. Thus, if 45 has been chosen, 32 + 8 + 4 + 1 = 45.

No. LXXXVII.