Number the objects in order from heaviest to lightest.
Drag 1 next to the heaviest object. Drag 3 next to the lightest object.
Options: 1 2 3 1 2 3 1 2 3
  1 2 3 1 2 3 1 2 3
  1 2 3 1 2 3 1 2 3
1.
2
1
3
2.
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