| 2002-06-08 |
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First known trimagic square of order 12
The square was first published in the local newspaper 'Schwabacher Tagblatt'.
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| 2003-03 |
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Second known trimagic 12x12-square derived from 1a by permutations of rows and columns
Found by Pan Fengchu and Gao Zhiyuan, China
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| 2018-03-01 |
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Holger Danielsson, Germany, found a pair of 3-equivalent 4-tuples in the square 1b.
This enabled him to obtain the new trimagic squares 1c.
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| 2018-01-28 |
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A present for the 60th anniversary of LEGO, with 60 ... 28 1 19 58 in the first row.
Additionally several aspects of the square have bimagic semi diagonals.
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| 2018-02-05 |
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Existence of non-symmetric trimagic squares of order 12
Certain axially symmetric squares can be transformed into squares which are not symmetric.
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| 2018-02-06 |
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Nearly equal trimagic squares of order 12
There are essentially different trimagic squares where only 8 digits are different.
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| 2018-02-10 |
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From a semi-trimagic square of order 12 with 3 pairs of possible diagonals
we can derive three essentially different trimagic squares.
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| 2018-02-18 |
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From a semi-trimagic square of order 12 with two specially arranged pairs of possible diagonals
we can obtain two axially symmetric and two non-symmetric trimagic squares.
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| 2018-02-20 |
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Square 6 can be transformed in square 6' which has two trimagic broken diagonals.
This is the only found pair of trimagic squares where the distance of parallel diagonals is even.
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| 2018-02-20 |
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Another trimagic square with two trimagic broken diagonals (distance 5).
These squares have 28 trimagic lines. We couldn't find more until now.
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| 2018-03-05 |
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The trimagic square 8a has a pair of 3-equivalent 4-tuples with 4 diagonal entries.
In this case the remaining 8-tuples can be interchanged.
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| 2018-03-08 |
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The trimagic square 9a has three pairs of 3-equivalent 4-tuples.
All in all we can derive 8 essentially different squares by certain transformations.
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