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G'day Doug,
We are called Emma Stewart and Amy Milner, the ones Mr Martin told you about.
Here are all the sphinx we have done so far.
This includes the 2x2 sphinx, 3x3, 4x4, 7x7 and 11x11.
There are four 3x3 sphinx, three 7x7 sphinx and two 11x11 sphinx.
As you can see we have named the 7x7 sphinx.
We would like to call the 11x11 sphinx's 'EMMA STEWART and AMY MILNER, THE BIG ONE'.
Hope this comes in useful to you,
From EMMA and AMY
Emma and Amy made three of the Size 7s. What differences are there?
And this is their big one...
But not much later Amy and Emma made an even bigger one - the Size 13. Compare the width of it with the width of the doorway.
We are still working on Size 23. We have a couple of ideas now, but it is not easy.
Hi Doug,
Chris Collett has just solved Sphinx 17. Took him a couple of hours to complete. We have taken photos which I have enclosed. We also have a hand drawn diagram indicating how Sphinx 17 can be built.
Chris is a student at our school. Year 12 and 16 years of age.
Hmmm. If the girls have constructed Size 13, why did Chris jump to Size 17? What would be the next one someone would tackle?
Could Size 23 be next...?