select arrayCompact([0])
select arrayCompact([1])
select arrayCompact([2])
select arrayCompact([1,1])
select arrayCompact([1,2])
select arrayCompact([1,1,2])
select arrayCompact([1,2,1])
select arrayCompact([2,1,1])
select arrayCompact([1,2,2,3,3,3,4,4,4,4,5,5,5,5,5])