Используем замену по регулярному выражению по полям source.int6391.step13, source.int6391.step14, source.int6391.step15, source.int6391.step16, source.int6391.step17, source.int6391.step18, source.int6391.step19, source.int6391.step20, source.int6391.step21, source.int6391.step22, source.int6391.step23, source.int6391.step24, source.int6391.step25, source.int6391.step26, source.int6391.step27, source.int6391.step28, source.int6391.step29, source.int6391.step30, source.int6391.step31, source.int6391.step32, source.int6391.step33.