Observation A:It's easy to recite the alphabet. It's hard to recite the alphabet backwards.Observation B:It's easy to recite the number 1 to 26. It's easy to recite the number 1 to 26 backwards.How is the difference between A and B explained?(I came across the first observation  in the book How to Create a Mind by Ray Kurzweil)
Reciting Reverse Order Alphabet vs Reverse Order Counting
cognitive neuroscience;memory;cognitive modeling