red         (0,0) (0.5,0.866) (1,0) 
green       (0,0) (0,1) (1,0) 
cyan        (0,0) (0,2) (1,0) 
purple      (0,0) (0,2) (3,1) 
silver      (0,3) (10,3) (5,1)
chartruese  (0,0) (5,2) (9,0)
brown       (2,0) (0,1) (3,3)




