76  US 8,691,490 B2  75  -continued  (In the formula, R$^{111 }$represents the same as before.)  Rill  0  0~  0  60  0  Rill  0  0~  0  00°  \_-o  0  Rill  0  0~  0  00  0  Rill  0  0~  0  ro  /0  0  Rill  0  0~  0  a:-0  0  Rill  0  0~  0  (J-o  0  -continued 