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Demonstrations 61  80 of 253
Some Numbers behind Rubik's Cube
What Triangles Are in the Triangle?
The Traveling Salesman Problem 4: Spanning Tree Heuristic
Matrix Representation of the Permutation Group
The Traveling Salesman Problem 2: 2opt Removal of Intersections
The Traveling Salesman Problem 1: Optimal Paths
The Traveling Salesman Problem 5: Traveling Salesman Path Problem
The Traveling Salesman Problem 3: Nearest Neighbor Heuristic
Permutation Grid Classes
Birds on a Wire Revisited
Seven Cylinders
Maximum Sum Descent
Noncrossing Partitions
Cutting Space into Regions with Four Planes
Mazes on Polyhedra Maps
Picking Up Coins in a Grid
NowhereNeat Squaring the Rectangle
Lah Numbers
nFountains
Latin Squares Puzzle Generator
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