Up:  Table    Next:  29    Previous:  27    Show:  coordinates   TSP tour   Download:  PDF file  left  right  bottom


28 circles in a regular heptagon    28 circles in a regular heptagon


28 circles in a regular heptagon


Up:  Table    Next:  29    Previous:  27    Show:  coordinates   TSP tour   Download:  PDF file  left  right  bottom