1104 Card tricks from permutations
The repeated diagonal rearrangement
Pick up the cards along thediagonals, fromfrom bottom to top, and
from left to right. Then rearrange them in the standard order.
Form=n=4, this is the permutationδ=δm,n
123456 7 8 910111213141516
15296313107 4 1411 8 151216
with cycle structure
1 2 3 45 6 7 89 10 11 1213 14 15 16The cycle structure is simpler after one more application:1 2 3 45 6 7 89 10 11 1213 14 15 16