s781.py

from research import *
s=begin(781,'Separate the secondary cumulative block translation','Does the source Rounded cumulative+60 block come from raw MT Terah repartition?',{'source_blocks':[[14011,14006],[14071,14066]]},['File51a §23.7; C779–780'])
raw=(130+75)-(70+135);block=[14071-14011,14066-14006]
finish(s,{'raw_lifespan_change':raw,'secondary_block_change':block,'scope':'source-admitted displayed macro block; no unlicensed full-genealogy extension'},'Both operations are legitimate in their stated domains, but their outputs differ: raw lifespan-preserving Terah change gives0 cumulative shift; the secondary display block explicitly moves60. Their provenance must accompany the variant name.','Compare Cainan support across regular and cumulative representations.',{'different_operations':raw==0 and block==[60,60]})