//(57->56->53)
//for i=5 to 26:for j=0 to 25:>>chr(97+j-(82204<<i>>j&&32))
//for i=5 to 26:for j=0 to 25:>>chr(97+j^^82204<<i>>j&&32)
//for i=7 to 28:for j=0 to 25:>>"a"/(j-=20551<<i>>j&&32)
for i=7 to 28:for j=0 to 25:>>"a"/=j-=32&&20551<<i>>j
//----+----1----+----2----+----3----+----4----+----5----+----6
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