bit stuffing

Question

i have a small doubt about bit stuffing if flag is 011110 and data is 01111111 then what will be the data after bit stuffing?

is it 0111011101 0r 011101111???? plz clear my doubt

Comments

flag is 011110 that is 4 consecutive 1's are not allowed .When four consecutive 1's in the bit stream we will place 0 in place of fourth 1 and this process continuous.

Now bit stream is : 01111111

After adding delimiter bit = 0111 0 111 0 1