How would you configure your distsearch.conf to allow you to run the search below?
sourcetype=access_combined status=200 action=purchase splunk_server_group=HOUSTON 

[distributedSearch:NYC]
default = false
servers = nyc1:8089, nyc2:8089
[distributedSearch:HOUSTON]
default = false
servers = houston1:8089, houston2:8089 

[distributedSearch]
servers =nyc1, nyc2, houston1, houston2
[distributedSearch:NYC]
default = false
servers = nyc1, nyc2
[distributedSearch:HOUSTON]
default = false
servers = houston1, houston2 

[distributedSearch]
servers =nyc1:8089, nyc2:8089, houston1:8089, houston2:8089
[distributedSearch:NYC]
default = false
servers = nyc1:8089, nyc2:8089
[distributedSearch:HOUSTON]
default = false
servers = houston1:8089, houston2:8089 

[distributedSearch]
servers =nyc1:8089; nyc2:8089; houston1:8089; houston2:8089
[distributedSearch:NYC]
default = false
servers = nyc1:8089; nyc2:8089
[distributedSearch:HOUSTON]
default = false
servers = houston1:8089; houston2:8089