4_A_mec 4_B_mec 3_A_chim 4_A_chim 3_A_inf 4_A_inf
3_B_inf 4_B_inf 3_A_elet 4_A_elet 3_B_elet 3_B_chim
4_C_inf 1_A_chim 2_A_chim 1_A_elet 2_A_elet