huffman coding set bit

i want to set the bit in cell

i have six value

in colum number 1

x1=0.3

x2=0.25

x3=0.15

x4=0.12

x5=0.1--------

x6=0.08------

then give the last two index

0

then 1

then update the sumation to be 0.18

then compare it with the last to index

if greater than them not add zero or one on it

the final answer