[dangond]

Fun implementation! There's currently a bug that allows the same number to appear twice after a combination step (I was able to perform 2,3,7,5->5,7,5)

[madcaptenor]

Ran into this as well: I did [8, 1, 4] -> [5, 3, 1, 4] -> [5, 3, 5].

[sour-taste]

Should be fixed, thanks for the report.