File Problem Notes
car.pi 001: Car Sequencing
golomb_ruler.pi 006: Golomb rulers
all_interval.pi 007: All-Interval Series
social_golfers1.pi 010: Social Golfers Problem
social_golfers2.pi 010: Social Golfers Problem
traffic_lights.pi 016: Traffic Lights
magic_square.pi 019: Magic Squares and Sequences
magic_sequence.pi 019: Magic Squares and Sequences
crossfigure.pi 021: Crossfigures
magic_hexagon.pi 023: Magic Hexagon
langford.pi 024: Langford's number problem
maximum_still_life.pi 032: Maximum density still life
fractions.pi 041: The n-Fractions Puzzle
steiner.pi 044: Steiner triple systems
diamond_free_sequence.pi 050: Diamond-free Degree Sequences
queens.pi 054: N-Queens
queens_bool.pi 054: N-Queens
sonet.pi 056: Synchronous Optical Networking (SONET) Problem
killer_sudoku.pi 057: Killer Sudoku