read the data by tails

define n


endef
c=,
f=$(if $g,[$(wordlist 1,$g,$h)] $(call f,$(wordlist $g,9999,$h)))
g=$(word 2,$1)
h=$(wordlist 3,9999,$1)
1=$(subst $n, ,$(STDIN))
$(info [$(subst $z ,$c ,$(strip $f))])

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