There are only two ways to tell somebody thanks: Kudos and Marked Solutions Unofficial Forum Rules and Guidelines "Not that we are sufficient in ourselves to claim anything as coming from us, but our sufficiency is from God" - 2 Corinthians 3:5
The Sort function will sort by first cluster element first and if those are identical (like here {1,C} and {1, B} ) it will use the next element as tie-breaker.