Objectives / Rules

- Complete the grid such that every row and column contains the numbers 1 to the size of the grid.
- The symbols on the grid are less-than and greater-than signs, which always point towards the smaller number.

e.g. 1 < 4, 3 < 5, 2 > 1.

See the Walkthrough below for extra tips and tricks. Knowing some Sudoku techniques might also help.

What are the arrows for?

The arrows on the grid are less-than and greater-than signs, and always point to a smaller number.

e.g. 1 < 4, 3 < 5, 2 > 1, etc.

Click or move your mouse over the puzzle to see the answer.

## Walkthrough

Step 1

This is the start of the puzzle, we're given the <3>s as initial clues.

Solve this puzzle for yourself at the same time.

This is the start of the puzzle, we're given the <3>s as initial clues.

Solve this puzzle for yourself at the same time.

Step 2

There is only one way to fulfil these two squares 3 > 2 > 1.

There is only one way to fulfil these two squares 3 > 2 > 1.

Step 3

This could be either 3 > 1, or 3 > 2, but we've already got the <2> in Column 2, so it must be 3 > 1.

This could be either 3 > 1, or 3 > 2, but we've already got the <2> in Column 2, so it must be 3 > 1.

Step 4

In Row 1 the remaining square must be <4>. In Column 2 the remaining square must also be <4>.

In Row 1 the remaining square must be <4>. In Column 2 the remaining square must also be <4>.

Step 5

As we've already got the <3> in Column 4 and the <4> in Row 4, there is only one way to complete these two squares, 2 > 1.

As we've already got the <3> in Column 4 and the <4> in Row 4, there is only one way to complete these two squares, 2 > 1.

Step 6

The only missing number for Row 4 is <3>.

The only missing number for Row 4 is <3>.

Step 7

The <1> in Row 2 can only go here (as there is already a <1> in Column 1 and Column 3).

The <1> in Row 2 can only go here (as there is already a <1> in Column 1 and Column 3).

Step 8

The <4> in Column 4 must go here.

The <4> in Column 4 must go here.

Step 9

The <3> from Row 3 must go here (as there is already a <3> in Column 1).

The <3> from Row 3 must go here (as there is already a <3> in Column 1).

Step 10

The puzzle completes as both Row 3 and Column 3 have one remaining number. Which leaves the last <4> to complete Row 2 / Column 1.

The puzzle completes as both Row 3 and Column 3 have one remaining number. Which leaves the last <4> to complete Row 2 / Column 1.

Step 11

The completed puzzle.

The completed puzzle.

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