Input: [3, 4, 7, 1, 2, 9, 8]

Output: [0, 2, 3, 5]

output can also contain [0,2,4,6]

# Why not [0,2,4,6] given example

answer should be a lexicographical tuple if more than one tuple exists .

so [0,2,3,5];

answer should be a lexicographical tuple if more than one tuple exists .

so [0,2,3,5];