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-86 bytes thanks to @xnor
import Data.List f=mapf=(map snd=<<).sortOn(sum.map fst).mapM(zip[0..])
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-8 bytes thanks to @xnor
import Data.List f=map snd=<<.sortOn(sum.map fst).mapM(zip[0..])
-6 bytes thanks to @xnor
import Data.List f=(map snd=<<).sortOn(sum.map fst).mapM(zip[0..])
import Data.List f=concatMap(mapf=map snd)snd=<<.sortOn(sum.map fst).mapM(zip[0..])
Attempt This Online!Attempt This Online!
import Data.List f=concatMap(map snd).sortOn(sum.map fst).mapM(zip[0..])
