; 12345678901 
DESGN1: CLR L1 
SETB L2        ;  *
CLR L3         ; <b> explain why you clear a LED alread cleared </b> 
SETB L4        ;  * *
CLR L5         ; <b> explain why you clear a LED alread cleared</b>
SETB L6        ;  * * *
CLR L7         ; <b> explain why you clear a LED alread cleared</b>
SETB L8        ;  * * * * 
CLR L9         ; <b> explain why you clear a LED alread cleared</b>
SETB L10       ;  * * * * * 
CLR L11        ; <b> explain why you clear a LED alread cleared</b> 
CALL DELAY     ; leave display for a while
; <b> explain why not a global clear ans just the sets</b>
CLR L2         ;    * * * *
SETB L1        ; *  * * * *
;; you get the drift