YA>YB>YCY_{A}>Y_{B}>Y_{C}YA>YB>YC
YC>YB>YAY_{C}>Y_{B}>Y_{A}YC>YB>YA
YA=YB=YcY_{A}=Y_{B}=Y_{c}YA=YB=Yc
b\rm{b}b ও c\rm{c}c উভয়ই