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d:33100000;

/ takes ages without a good guess. ;)

e:{10*y*~x!y}
(1+)/[{d>+/e[x]'!x+1};776150]

e2:{(x<50*y)*11*y*~x!y}
(1+)/[{d>+/e2[x]'!x+1};786235]