k_{1} = 0 k_{2} = \frac{1}{20} k_{3} = \frac{1}{10} k_{4} = \frac{1}{2} k_{5} = \frac{1}{5} k_{6} = \frac{1}{20} k_{7} = 1 k_{8} = \frac{1}{20} k_{9} = 1 k_{10} = \frac{1}{20} k_{11} = \frac{1}{20} k_{12} = 1 k_{13} = 0