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by madcaptenor 801 days ago
A solution for [6,7,8,9]:

6,7,8,9

6,3,4,8,9

6,3,4,8,2,7

9,4,8,2,7

9,4,8,2,1,6

9,4,3,5,2,1,6

9,7,5,2,1,6

9,7,5,3,6

9,7,8,6

9,5,2,8,6

9,5,2,1,7,6

9,5,3,7,6

9,8,7,6

1 comments

Wow, well done! I found [6,7,8] as well:

6,7,8

6,7,5,3

6,7,1,4,3

6,8,4,3

6,8,7

6,3,5,7

6,2,1,5,7

8,1,5,7

8,6,7

8,4,2,1,6

8,4,3,6

8,7,6