Dear participants, processing of the square # 24 is fully completed! The square:

0 1 2 3 4 5 6 7 8 9 A B
1 2 0 4 5 3 8 9 A B 6 7
2 0 1 5 3 4 A B 6 7 8 9
8 A 6 B 7 9 2 4 0 5 1 3
A 6 8 7 9 B 0 5 1 3 2 4
9 B 7 6 8 A 4 0 5 1 3 2
5 3 4 2 0 1 7 8 9 A B 6
4 5 3 1 2 0 B 6 7 8 9 A
B 7 9 8 A 6 5 1 3 2 4 0
6 8 A 9 B 7 1 3 2 4 0 5
7 9 B A 6 8 3 2 4 0 5 1
3 4 5 0 1 2 9 A B 6 7 8

has 1024457772 orthogonal mates, like square # 23. Square #24 can be produced from #23 by rows permutation, also!

Thank you for project attention, support and donation of CPU time!