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car.pi
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001: Car Sequencing
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golomb_ruler.pi
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006: Golomb rulers
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all_interval.pi
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007: All-Interval Series
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social_golfers2.pi
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010: Social Golfer Problem
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social_golfers1.pi
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010: Social Golfer Problem
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traffic_lights.pi
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016: Traffic Lights
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magic_sequence.pi
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019: Magic Squares and Sequences
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magic_square.pi
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019: Magic Squares and Sequences
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crossfigure.pi
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021: Crossfigures
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magic_hexagon.pi
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023: Magic Hexagon
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langford.pi
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024: Langford's number problem
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maximum_still_life.pi
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032: Maximum density still life
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fractions.pi
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041: The n-Fractions Puzzle
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steiner.pi
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044: Steiner triple systems
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queens.pi
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054: N-Queens
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queens_bool.pi
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054: N-Queens
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sonet.pi
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056: Synchronous Optical Networking (SONET) Problem
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killer_sudoku.pi
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057: Killer Sudoku
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