+1242 Sequence A is a geometric sequence. Sequence B is an arithmetic sequence. Each sequence stops as soon as one of its terms is greater than 300. What is the least positive difference between a number selected from sequence A and a number selected from sequence B?
Sequence A: 2, 4, 8, 16, 32, ...
Sequence B: 20, 40, 60, 80, 100, ...
