d 21 0 0.000000 1 0.050000 2 0.100000 3 0.150000 4 0.200000 5 0.250000 6 0.300000 7 0.350000 8 0.400000 9 0.450000 10 0.500000 11 0.550000 12 0.600000 13 0.650000 14 0.700000 15 0.750000 16 0.800000 17 0.850000 18 0.900000 19 0.950000 20 1.000000 0 0.050000 1 0.050000 2 0.050000 3 0.050000 4 0.050000 5 0.050000 6 0.050000 7 0.050000 8 0.050000 9 0.050000 10 0.050000 11 0.050000 12 0.050000 13 0.050000 14 0.050000 15 0.050000 16 0.050000 17 0.050000 18 0.050000 19 0.050000