Shifted digit

Consider the numbers in base-12 that can be written with the decimal digits only (0 to 9). Of those, find the smallest number which, after a ROR 1 (ROtate to Right) operation, gives a number equal to 8 times the original number. Example: 2497 becomes 7249 which is 3 times the original (7249)₁₂/(2497)₁₂=3 Answer format: the number in base-12 See also: Circular shift - Wikipedia, the free encyclopedia