| (0,0),(1,1),(1,0),(1,-1),(0,-1),(-1,-1),(2,1),(2,0),(-1,-2),(3,1),(0,-3),(-1,-3),(-3,-3),(2,4)
| -
| (0,0),(4/5,4/5),(8/9,0),(1,-1),(0,-8/7),(-4/3,-4/3),(16/11,8/11),(8/5,0),(-8/5,-16/5),(2,2/3),(0,-24/5),(-2,-6),(-12,-12),(8/7,16/7),(0,8),(8,0),(8/3,16/3),(16/3,8/3)
| |