Ichimoku Strategy Pine Script

i wrote ichimoku strategy via pine script and i have some problems with that
i want to write two conditions for long positions
the problem is here, the LAGGING SPAN!
i don’t even know how should i set the condition for lagging span and the lead A or B
because they are not really 26 candles before or 26 candles later
thats just for plot to show us
i need them in the code of offset