Either v1330 or v1345 would be the 12 factions.
v1345 download link
UPDATE: There are a few more versions out there. I'll have to see what I have.
So far, I've found v1395 and v1447.
UPDATE 2: v1395 download link
A few stats of the different versions:
Code:
v442 - gs size: 6,111,600 bytes
v997 - gs size: 252,463,691 bytes
v1264 - gs size: 381,793,273 bytes
v1345 - gs size: 410,380,402 bytes
v1378 - gs size: 501,198,296 bytes
v1395 - gs size: 501,198,296 bytes
v1447 - gs size: 501,198,296 bytes
v1559 - gs size: 671,019,590 bytes
Code:
v442 - 'z' maps: z1 - z20
v997 - 'z' maps: z1 - z21, z23, z26, z31-z32
v1264 - 'z' maps: z1 - z21, z23, z26, z29, z31-z33, z40-z41, z44, z50
v1345 - 'z' maps: z1 - z21, z23, z26, z29, z31-z33, z40-z41, z44, z48, z50-z53, z56
v1378 - 'z' maps: z1 - z21, z23, z26, z29, z31-z33, z40-z41, z44, z48, z50-z53, z56, z58
v1395 - 'z' maps: z1 - z21, z23, z26, z29, z31-z33, z40-z41, z44, z48, z50-z53, z56, z58, z70, z80-z88, z90-z98
v1447 - 'z' maps: z1 - z21, z23, z26, z29, z31-z33, z40-z41, z44, z48, z50-z53, z56, z58
v1559 - 'z' maps: z1 - z21, z23, z26, z29, z31-z33, z40-z41, z44, z48, z50-z53, z56, z58, z416
Code:
v442 - last tasks file: tasks.data20
v997 - last tasks file: tasks.data32
v1264 - last tasks file: tasks.data41
v1345 - last tasks file: tasks.data44
v1378 - last tasks file: tasks.data45
v1395 - last tasks file: tasks.data46
v1447 - last tasks file: tasks.data46
v1559 - last tasks file: tasks.data49
From the above, you can see that v1378, v1395 and v1447 uses the same gs file
and v1395 has the most maps.