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We received several different arrangements of tiles - thank you to those who sent in your suggestions. You had to remember that you didn't necessarily need one tile of each colour in every row and column - it was just that tiles of the same colour weren't allowed to touch. Not many of you looked for more than one other arrangement but Kesavan from Latymer All Saints C of E Primary sent in these solutions:
Louise from Farnborough Hill sent these arrangements:
Trish and James sent in their solutions:
A great way of working out some possible results!
Finding all the possible arrangements of tiles is quite a challenge and some of you began to have a go at this. Danny told us how he worked out how many possible combinations there were:
First I worked it out starting with blue in the top left corner and red next to it in the top middle.Thank you, Danny!