Many items of different lengths are to be shipped by train. There are two types of railcar and of both of these there are only a limited number to use. The goal is to minimize the number of required railcars to ship all items such that items may only be stacked if their lower and upper faces match exactly.
The identifier of this set is: osb-lb-tr.
The instances can be either downloaded and uploaded all at once by pressing one of the buttons below, or separately by clicking on the specific instance you want to download or upload solutions to.
Used objectives:
- Container Count: Minimize the number of used containers.
Used constraints:
- Exact Stacking: Items/boxes/pallets may only lay on top of up to one other placement, where they cover that placement exactly.
- Must Place: Specific items/boxes/pallets must be placed.
- Orientation: All items/boxes/pallets have a specified set of allowed orientations.
Instances:
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Instance 1 ( JSON
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Instance 2 ( JSON
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Instance 3 ( JSON
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Instance 4 ( JSON
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Instance 5 ( JSON
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Instance 6 ( JSON
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Instance 7 ( JSON
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Instance 8 ( JSON
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Instance 9 ( JSON
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Instance 10 ( JSON
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Added on 14th of May, 2018