- $ \\\frac{{x - 3}}{1} = \\\frac{{y - 3}}{2} = \\\frac{{z + 2}}{3}$
- $ \\\frac{{x - 1}}{1} = \\\frac{{y + 1}}{2} = \\\frac{z}{3}$
- $ \\\frac{{x - 2}}{1} = \\\frac{{y - 3}}{2} = \\\frac{{z - 1}}{3}$
- $ \\\frac{{x - 1}}{3} = \\\frac{{y + 1}}{2} = \\\frac{z}{1}$