Simile:::tcl.paired.to.list("1 {1 7 2 4} 2 {1 8} 3 {2 1}", FALSE)
# [[1]]
# [[1]][[1]]
# [1] 7
#
# [[1]][[2]]
# [1] 4
#
#
# [[2]]
# [[2]][[1]]
# [1] 8
#
#
# [[3]]
# [[3]][[1]]
# NULL
#
# [[3]][[2]]
# [1] 1
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