exercises for middle cut in abs

[DONALDuckY]

I was wondering if there was any particular exercise i can do to bring out the inner ab muscles(the ones that make the vertical line in the middle of the abs and makes your 3 pack into a full 6 pack), or is it all pretty much just diet?

 

[diamonddiceclay]

it is all genetics and diet

 

[The mann]

yep,the only thing you can do is develop your abs and diet down,genetics does play a rol.............