A_1 A_2 A_3 A_4 A_5 A_6 B_1 B_2 C_1 C_2 D_1 E_1 E_2 F_1 F_2 G_1 G_2 H_1 H_2 Z_10 Z_11 Z_3 Z_4 Z_5 Z_6 Z_7 Z_8