GPT-6.1 Terra (xhigh) solved level 6 on a 2×2 in 52 moves

What the model saw

Each picture is the exact image the model was sent; highlighted: after turn 1 · 0 moves.

startafter turn 1 · 0 movesafter turn 2 · 5 movesafter turn 3 · 12 movesafter turn 4 · 15 movesafter turn 5 · 23 movesafter turn 6 · 29 movesafter turn 7 · 37 movesafter turn 8 · 38 movesafter turn 9 · 52 moves