Global "List" works with wrong sequence

Let's say, the sequence that I put into the input is 0, 30, 60, 90 ... then, somehow kwgt doesn't follow the number sequence I put correctly. It will become like this: 0, 60, 30, 90 or if you put other bigger number sequence, it will randomize the sequence... Another thing I found is the global "list" works fine if you just put simple number sequence like 0, 1, 2, 3, 4 ....