Need help wiring subs

[Seattle206 10+ year member]

What are my wiring options for two Dual 1 subs?

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[Seattle206 10+ year member]

....

 

[ultimate157 5,000+ posts]

0.25, wired like this:

1, wired like this:

4, wired like this:

 

[terra 5,000+ posts]

my b didnt see the writing above

 

[DB_DRAG_SPL 10+ year member]

http://www.the12volt.com/caraudio/woofer_configurations.asp?Q=2&I=12