[D]    
[N] [C]    
[Z] [M] [P]
 1   2   3 

move 1 from 2 to 1
move 3 from 1 to 3
move 2 from 2 to 1
move 1 from 1 to 2


// convention: End of Array is 
["", "D", ""], ["N", "C", ""], ["Z", "M", "P"]

->

["Z", "N", ""], ["M", "C", "D"]. ["P", "", ""]