--> keys <-- id : 1926||--> fields <-- observaciones (old)  : ||observaciones (new)  : PAGO EFECTIVO/SECRETARIA
||id_cob (old)  : 6||id_cob (new)  : 3||id_prof (old)  : 0||id_prof (new)  : 7||act_valor (old)  : 1;7;||act_valor (new)  : 1@?@7