A Russian matryoshka nesting doll silhouette shown in cross-section with three concentric doll outlines visible — a large outer doll containing a medium doll containing a small doll, all sharing the classic rounded matryoshka shape (rounded head merging into a wider rounded body). Simple bold outline style, centered, symmetrical, instantly recognizable at 50px. Color: #C55E5D rust only, on transparent background. No more than 3 distinct figures. Few large bold shapes, no fine details. Two colors only: #C55E5D. Transparent background. Simple, minimal, clean.
PASS — Structural: 7/7, LLM Judge: PASS “The image clearly shows a matryoshka doll in cross-section with three nested dolls visible as concentric outlines, maintaining the classic rounded shape. The design is simple, symmetrical, and would be recognizable at small sizes, perfectly matching the prompt’s requirements.”