a=: 3#.inv 49401 10852 55070 6484 14621 8515
   {{ {. (#~ <&2) y }}"1 |: a
0 1 1 1 1 0 0 1 0 0
   ([: {. (#~ <&2))"1 |: a
0 1 1 1 0 0 0 0 0 0

This bug was not present in j64-807 (though I have to use the older 3
:'' form there). It is present in j901.

-- 
Raul
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