DF
Size: a a a
DF
IP
DF
DF
IP
DF
DF
DF
DF
DF
IP
IP
DF
DF
DF
DF
IG
AC
T
ST
(apply sorted-set-by
(fn [a b] (compare (apply + b) (apply + a)))
(partition 3 1 darts-numbers))
=>
#{(19 7 16)
(20 1 18)
(12 5 20)
(18 4 13)
(15 2 17)
(8 11 14)
(6 10 15)
(13 6 10)
(10 15 2)
(9 12 5)
(1 18 4)
(2 17 3)}