Total images checked: 3000
Difficulty tiers: {"combined_rules": 3000}
Orientations: {"column": 1004, "row": 1996}
Rule distribution: {"color_progression": 1224, "count_progression": 1203, "rotation_progression": 953, "shape_progression": 1027, "size_progression": 1198, "xor_addition": 395}
Question types: {"add_same_shape_distractor": 3000, "choices_matching_correct_shape": 1023, "combined_rule_attributes": 983, "consistent_attribute": 633, "correct_choice": 3000, "distractor_classification": 2367, "rule_extrapolation": 994, "top_left_shape_count": 3000}
Options satisfying independently derived rules: {"1": 3000}
Declared-rule option discriminators: {"color": 1224, "count": 1598, "rotation": 953, "shape": 1027, "size": 1198}
Frozen undeclared option attributes: {"color": 1776, "count": 1402, "rotation": 2047, "shape": 1973, "size": 1802}
Shape visual scale: equal filled-area normalization; centre spacing depends only on declared size and count
Total mismatches found: 0
Summary: PASS