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2.5 SUPER SUDOKU
Sudoku is a game of numbers.
Let’s try to understand this game and play it. Every square has to contain a
single number.
3 4 1 2 a. Only the numbers from 1 to 4 can be used.
b. Each 2×2 box can only contain each number
1 2 4 3 from 1 to 4 once.
c. Each vertical column can only contain each
4 3 2 1 number from 1 to 4 once.
d. Each horizontal row can only contain each
2 1 3 4 number from 1 to 4 once.
2 × 2 Sudoku
Let’s solve a 2 x 2 sudoku.
4 2 1
1 2 3 Step 1 Start by looking at first mini grid. As we
can see that ‘3’ is missing, hence we
2 write it here.
1
3 4 2 1
1 2 3 4
Step 2 The second row in the mini grid has the
number ‘4’ missing.
2
1
32 Touchcode-IV

