sample.txt (186B)
1 [1,1,3,1,1] 2 [1,1,5,1,1] 3 4 [[1],[2,3,4]] 5 [[1],4] 6 7 [9] 8 [[8,7,6]] 9 10 [[4,4],4,4] 11 [[4,4],4,4,4] 12 13 [7,7,7,7] 14 [7,7,7] 15 16 [] 17 [3] 18 19 [[[]]] 20 [[]] 21 22 [1,[2,[3,[4,[5,6,7]]]],8,9] 23 [1,[2,[3,[4,[5,6,0]]]],8,9]