How do I unlock the box on the bar?

1. There are only two pieces you can manipulate.

2. There is a pattern to the numbers.

3. Have you ever played Sudoku?

(PARTIAL SOLUTION FOLLOWS)

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4. Choose your numbers so that each row, column and diagonal doesn't feature the same number more than once.

(SOLUTION FOLLOWS)

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5. The top die should be 5, the bottom one 4.