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#!perl -ln0
$,='((?=.(.{9})?g)|g(.{9})?\K)'until!s!$,w!g!s;$,=/$, /gs>//gs&&!map!y!.! !>print,"@-e-1"+1;y&g& &&&redo
##
##
#!perl -ln0
map{1while$,=s=$,w=g=s?'(g|(?=.g|..{9}g)|g.{9})\K':/g/>/$, /s&&map{y!.! !;print;redo}/x/+"@+E-1"or y&g&b&}"$`x$'"while/ /g