COLORED MULTIPLICATION PATTERNS: THE 11-MULTIPLES (A CODIAGONAL PATTERN FROM UPPER LEFT TO LOWER RIGHT)
0123456789
10111213141516171819
20212223242526272829
30313233343536373839
40414243444546474849
50515253545556575859
6061626364 6566676869
70717273747576777879
80818283848586878889
90919293949596979899

PLEASE NOTICE THAT THE DIFFERENCE BETWEEN THE DIGITS OF EACH ELEVEN-MULTIPLE IS ZERO!