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A custom built bigger version of the ten billion with more layers, more columns and more knobs.
The principle of this puzzle is identical to the ten billion barrel but it is bigger in both dimensions.
Ten billion barrel has 5 columns. 1000 billion barrel has 12 columns.
Ten billion barrel has 4 layers distributed over two disks with two layers each. 1000 billion barrel has 6 layers distributed over three disks all with different size.
Ten billion barrel has 3 knobs attached to the caps used to manipulate the marbles. 1000 billion barrel has 6 knobs which distribution is shown in image 3.
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