| In this puzzle each row and each column contains the numbers 1 to 7. Using the clues provided, you have to determine which value goes in which square. If, for example, you are given the clue EF2 = 7 this means that the sum of squares E2 and F2 add up to 7. Similarly, A234 = 14 means that the sum of squares A2, A3 and A4 is 14. |
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| On this window you can see 4 tables or grids. These are, in clockwise order starting top-right |
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| 1. The options table for the current clue |
| 2. The list of clues |
| 3. The solution table |
| 4. The possible values for the current selected square |
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| The possible values table is where you enter your decisions. Clicking on a cell which contains a number causes this number to be removed. Clicking on an empty cell causes the corresponding number to be re-assigned to this square. |
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