Problems & Puzzles: Puzzles

Puzzle 873. Follow-up to Puzzle 871

In the puzzle 871 Jaroslaw Wroblewski said, related to the case m=4, k=3:

For m=4, k=3 I believe the problem is hopelessly hard, but I conjecture that there are no solutions.

Q1.Would you like to give a try to this case.

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