i

M

q

r

Q

1

M 1

q 1

r 1

Q 1 = P + 1

2

M 2 = r 1 + 1

q 2

r 2

Q 2 = M 1

3

M 3 = r 2

q 3

r 3

Q 3 = M 2

4

M 4 = r 3

q 4

r 4

Q 4 = M 3

5

M 5 = r 4

q 5

r 5

Q 5 = M 4

6

M 6 = r 5

q 6

r 6

Q 6 = M 5

7

M 7 = r 6

q 7

r 7

Q 7 = M 6