data/advent18b.txt

   1 [[[0,[5,8]],[[1,7],[9,6]]],[[4,[1,2]],[[1,4],2]]]
   2 [[[5,[2,8]],4],[5,[[9,9],0]]]
   3 [6,[[[6,2],[5,6]],[[7,6],[4,7]]]]
   4 [[[6,[0,7]],[0,9]],[4,[9,[9,0]]]]
   5 [[[7,[6,4]],[3,[1,3]]],[[[5,5],1],9]]
   6 [[6,[[7,3],[3,2]]],[[[3,8],[5,7]],4]]
   7 [[[[5,4],[7,7]],8],[[8,3],8]]
   8 [[9,3],[[9,9],[6,[4,9]]]]
   9 [[2,[[7,7],7]],[[5,8],[[9,3],[0,2]]]]
  10 [[[[5,2],5],[8,[3,7]]],[[5,[7,5]],[4,4]]]