As Texas Republicans move ahead with redistricting to protect or even expand the GOP’s slim majority in the US House, Democratic-run states, led by California, are pushing forward with their own efforts to draw new maps and add Democratic seats.

Democratic National Committee Chair Ken Martin urged members of his party to forget their usual rulebook and go all in on partisan redistricting Tuesday.

The battle over the re-drawing of congressional maps continues with Texas and California leading the way. Texas Democrats remain out of state, preventing a vote on maps that benefit Republicans. Meanwhile,