120  FOR X = 38 TO 0 STEP  - 1: POKE 32,X: POKE 33,40 - X: HOME : NEXT : RETURN 
 121  FOR X = 2 TO 40: POKE 33,X: HOME : NEXT : RETURN 
 122  FOR X = 1 TO 24: POKE 35,X: HOME : NEXT : RETURN 
 123  FOR X = 23 TO 0 STEP  - 1: POKE 34,X: HOME : NEXT : RETURN