Pandigital Squares by Oyler
Posted by Listen With Others on 17 June 2010
Ten double sided cards each have a different single digit printed on each side. When the cards are arranged in a row a pandigital square, P, is formed. When the cards are turned over and kept in the same order the result is a different pandigital square Q. In the clues the subscripts refer to the cards in positions 1 to 10 respectively. For example if P was 6154873209 then P25 would be the four digit string 1548. In order for solvers to identify P and Q, the grid, which has 180° rotational symmetry, should be completed. In the grid no entry starts with zero and all are different. P and Q should be written underneath the grid.
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| Across | Down | ||
| 1 | P13 + P89 | 1 | P3 x P6 |
| 3 | P10 x P10 = Q12 | 2 | Q10 x Q34 |
| 5 | Q47 | 3 | Q8 x Q23 |
| 7 | Q3 x Q4 x Q5 | 4 | P6 (P7 + P8) |
| 8 | P4 (Q12 – P12 ) / Q9 | 6 | P46 + Q46 + P34 + Q67 |
| 9 | P36 | 7 | P24 + Q68 – Q10 |
| 12 | P2 x P7 | 8 | Q10 x Q12 |
| 13 | P79 | 10 | Q4 x Q4 = Q34 |
| 11 | P1 x P2 x P3 x P4 |
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