From: nowhere@never.at   
      
   seems I played this game for too long...   
   my brain works still on it even when I sleep :)   
      
   Terje asked for another 2:1 algo:   
   I gave up on the hex idea because of the sub 07 and the missing   
   first/second indicator, but why not use the given ranges a bit   
   different ?   
   So a 4+4 bit algo may use the low nibble of "A...P" (41..50) to   
   produce 10..f0 (00 with 50) by shl,4 from first byte and 01..0f   
   of "a..p"(61..70) by AND&OR from every second byte.   
      
   in addition I made use of many filler bytes to modify alot:   
      
   ZRRh61XPR560PRR4dPjDa-rY1G`Ss$anytext#<=t7r4