{
  "session": 60,
  "timing": "Follow-up chosen after the 58-page screen and visual review; not part of the frozen screening plan.",
  "manual_alignment": "Review all 23 candidates; align six text locations by physical text line and separator order, counting only runes before each gap. Preserve split fragments and literal master punctuation separately.",
  "expected_fourth_slot": "For the three inline groups, reflect the middle right-hand square through the centerline of the upper and lower squares. Count black and white pixels at all three thresholds. This tests the standard diamond position only, not arbitrary hidden drawing hypotheses.",
  "known_solution_control": "Reproduce the previously recorded LP2 page56 solution, including its established unenciphered F exception at rune offset56. At the three-dot gap19, compare the next ten runes under the existing continuous prime-minus-one indices with indices reset to0. Check against the retained solved-page record. No unknown key or phase search.",
  "limits": "Candidate classification and line alignment are manual. Three stable thresholds are sensitivity checks, not independent observations. Known-page behavior does not establish the rule on unsolved pages. No new plaintext claim."
}