Whoops, my code shares the E. problem. But maybe E. can serve after all:
2 5 (0 1 0 E. (E.~ #/)~) dat
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
"or something like that".
-Dan
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