From RETROSPECTIVE FUTURE - Custom generative engine

Geometric sudoku puzzle. Six shapes arranged in a 6×6 grid where each row, column, and 3×2 region must contain all six shapes exactly once. Fourteen clues are provided to start. The puzzle requires logical deduction through cascading constraints - as you fill cells, eliminating possibilities forces specific shapes into remaining empty cells. SPECIFICATIONS: Format: JPEG Resolution: 4096 × 4096 px DPI: 300 Quality: 95 Grid: 6×6 (682×682 px per cell) Elements: Six geometric shapes (circle, square, triangle, diamond, star, hexagon) Clues: Fourteen starting clues Difficulty: Medium-High Type: Logic puzzle with visual-spatial reasoning