10 RANDOMIZE 0
   20 READ a
   30 DO WHILE a
   40 READ b$
   50 KEY a,CODE b$
   60 KEY a+70,CODE b$-32:REM SHIFTED KEYS
   70 READ a
   80 LOOP 
   90 READ a
  100 DO WHILE a
  110 READ b$
  120 KEY a,CODE b$
  130 READ a
  140 LOOP 
  150 DATA 1,"z"
  160 DATA 10,"v"
  170 DATA 19,"w"
  180 DATA 20,"s"
  190 DATA 28,"x"
  200 DATA 29,"d"
  210 DATA 30,"f"
  220 DATA 33,"y"
  230 DATA 34,"i"
  240 DATA 35,"k"
  250 DATA 37,"b"
  260 DATA 38,"h"
  270 DATA 39,"g"
  280 DATA 42,"p"
  290 DATA 43,"u"
  300 DATA 44,"j"
  310 DATA 46,"m"
  320 DATA 47,"t"
  330 DATA 48,"c"
  340 DATA 52,"e"
  350 DATA 53,"q"
  360 DATA 56,"n"
  370 DATA 57,"r"
  380 DATA 61,"o"
  390 DATA 66,"l"
  400 DATA 70,"a"
  410 DATA 0
  420 DATA 60,","
  430 DATA 51,"."
  440 DATA 62,":"
  450 DATA 0