@Wigy: it should trigger on opponents stand block. But it works only for the combos I wrote above
Yes.
Test those strings. Set the ai to block and reversal.
If I'm correct, you'll see 11 low hook, have a reversal pop up which would let you know it has a gap.
F22 low hook will be gapless so there will be no reversal pop up from the opponent.
I think this is a universal rule for those types of KBs to avoid 50/50 mix-up KBs. Where strings jail into both options.
I'll test it for you now and let you know