[Jprogramming] How #: should have been designed

Consider:

   #:i:2
1 0
1 1
0 0
0 1
1 0

   {.@#:@(,: 2 * >./@,)i:2
1 1 0
1 1 1
0 0 0
0 0 1
0 1 0

-- 
Raul
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