GPT-6.1-Sol (high) missed level 5 on a 3×3

What the model saw

Each picture is the exact image the model was sent; highlighted: start.

startafter turn 1 · 1 movesafter turn 2 · 4 movesafter turn 3 · 8 movesafter turn 4 · 12 movesafter turn 5 · 16 movesafter turn 6 · 20 movesafter turn 7 · 28 movesafter turn 8 · 36 movesafter turn 9 · 44 movesafter turn 10 · 51 movesafter turn 11 · 60 moves