The Attributes column contains duplicated values which decreases performance: `Colour(s)=Black\|Length=1\|Colour(s)=Black\|Length=5\|Colour(s)=White\|Length=1\|Colour(s)=White\|Length=5\|` 
The Attributes column contains duplicated values which decreases performance:
Colour(s)=Black\|Length=1\|Colour(s)=Black\|Length=5\|Colour(s)=White\|Length=1\|Colour(s)=White\|Length=5\|