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This information is for everyone who is working on the puzzle. I think a few adjustments to the paragraph would solve some questions.
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So until Kryzs or Elk can make changes, hopefully this will help.
The goals of Sudoku are to
fill in every
empty box with one of nine letters
and to find the clue. Each letter can
appear only once in each horizontal
row, as well as in every vertical
column, and in each of the 3x3 grids.
The finished puzzle will contain the
spelling of a word, somehow related
to Elements (not necessarily using
all nine letters).
I do thank them for their small version.
JaniceNote- I have since edited the highlighting to only emphasize the goals of the puzzle.