Kode #61 hints

Here's the clue board for Kode #61 with a few spoiler-free hints. We never print the code — deduce it from the clues, then play today's puzzle.

The clue board

Each row is a guess that's already been graded. ▲ means a right digit in the right spot; ● means a right digit in the wrong spot.

  • 672511
  • 675302
  • 837902
  • 519602
  • 264900

Spoiler-free hints

  • Exactly one of the four digits is even.
  • The four digits add up to 21.
  • 3 of the digits are 5 or higher.

No answer here — that's the fun. Work it out from the clues above.