The digits from 1 to 9 can be arranged in a row, such that any two neighbouring digits in this row is the product of two one-digit numbers. Arrangement:
Is it possible to do such an arrangement using hexadecimal digits 1-9 and A-F? Here the row has 15 digits and all numbers are treated as hexadecimal numbers. Example: 123456789ABCDEF 12=2*9, 23=5*7, 34=4*D, 45 does not work, etc.