1ph

phig

ig2

igph

caryyigphph

phpddieigpddeho

igaabeho1uckyaabehopdd

pddaabpdd

pddpdd

pddig

phigs1ig

ig

ig

igs1

aabig

aab

aabcarry

aablol

id

s1s2s3ig

ad

igaabaabaabad

tabe

+tabe

igeigcg2o118

e

phpddad

igaabad

phadap

igap

1

phbuffig

q6

1+

pdd+

q

1q

11q2

（7

1o3o