Reader’s Digest International — August 2017

August• 2017 | 123

You have to put a number from 1 to 9 in each
square so that:
Q every horizontal row and vertical column
contains all nine numerals (1-9) without
repeating any of them;
Q each of the 3 x 3 boxes has all nine numerals,
none repeated.

TO SOLVE THIS SUDOKU ...

SQUARE
SPACE (EASY)
There are 12
checkers on a
table, arranged
as shown. Four
adjacent checkers
can be united in a
square. Including
the set indicated,
how many possible
groupings are there
of four checkers that
form a square?

92813

14 58

28

491

6975

82 5

58

37 8 1

58 19 4