If the code of the fourth batch is ‘she when dirty get orange dust’, which of the following would be the code for the seventh batch?
dirty dust orange when she get
1st batch: 1 2 3 4 5 6
2nd batch: 1 5 3 4 2 6
3rd batch: 1 5 4 3 2 6
4th batch: 6 5 4 3 2 1
5th batch: 4 6 5 2 1 3
6th batch: 4 1 5 2 6 3
7th batch: 4 1 2 5 6 3