random button 11 74 65 astringe defrost 31
How many steps will be required to complete the re-arrangement?
V
Input : R B 11 74 65 A D 31
Step I : R 11 B 74 65 A D 31
Step II : R 11 D B 74 65 A 31
Step III : R 11 D 31 B 74 65 A
Step IV : R 11 D 31 B 65 74 A
Step V : R 11 D 31 B 65 A 74