UNFOLD [ 100  [] [] ]
ATTACH_LEFT [ 81 [ 2 [] [ 13 [] [ 32 [ 23 [] [] ] [ 62 [ 47 [ 39 [] [] ] [] ] [] ] ] ] ] [ 85 [] [ 87 [] [] ] ] ]
ATTACH_RIGHT [ 199 [ 131 [ 127 [ 113 [] [] ] [] ] [ 179 [ 142 [] [] ] [ 184 [ 181 [] [] ] [] ] ] ] [ 200 [] [] ] ]
FOLD
  
