Array to collection - function toCollection (Make.com/Integromat micro-tutorial)

You didn't need to change columns by moving your values.
Instead of putting in your function the values 0 and 1 you should have put 1 and 2.

Indeed, on Make, the notion of table is slightly different than in programming. On Make, the first value of an array is 1 whereas in programming the first value is 0