How to split flow after x payload characters?

Sorry for that.
So, the topic would be

[{"G":"cmnd/tasmota_02B2D1"},{"G":"cmnd/tasmota_02A70A"},{"G":"cmnd/tasmota_228C3D"}]

and the matching rule would be

[{"V":"blah blah1"},{"V":"blah blah2"},{"V":"blah blah3"}]

image

Topic 0 belonging to Rule1 0 etc.