when.....if any of you pratice the kata nijushiho, how do yo preform the movements when in kiba dachi where you side kick and land in hook punch on both sides?

i've seen for the most part 2 "versions", 1 where the person lands first then fires the punch and the other where the punch is moving as you body is sinking and you aply the kime as yor kicking foot touches the ground again.

any thoughts on either?
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its not supposed to make sense