Skip to content

Killer Sudoku - 6-cell sums

Every nonrepeating 6-digit combination for a Killer Sudoku cage, organized by its total.

How to read this diagram

Find the sum printed in the cage, then read the combinations on that row. This chart contains all 84 unordered combinations of 6 different digits from 1-9.

A listed combination is a possibility, not a placement. Apply the puzzle's row, column, box and cage constraints to narrow it down.

Continue the lesson →

Image prepared by Sudokumax. Updated .

More to explore

All Sudoku images
Completed Sudoku highlighting one row, one column and one 3 by 3 box to explain the rules.

Sudoku rules illustrated

A completed grid highlights a row, a column and a 3×3 box to show the three standard Sudoku constraints.

X-Wing schematic with four candidate sevens in two rows and two columns, showing eliminations in those columns.

X-Wing Sudoku diagram

A candidate diagram shows the four corners of an X-Wing and the sevens it eliminates in the shared columns.