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thrufour - Patterns
This file contains all 333 patterns.
Note: There are only two patterns that can be created with all 20 pieces with 4 holes over 5 layers (#332 and #333).
These two patterns have been left blank for you to solve.
thrufour - Solutions
This file contains all 333 solutions.
Note: There are only two patterns that can be created with all 20 pieces with 4 holes over 5 layers (#332 and #333).
These two patterns have been left blank for you to solve.
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