@0 @1 MOV 5 ACC SUB UP MOV ACC,RIGHT SUB 10 ADD UP NEG MOV ACC,RIGHT @2 JRO LEFT MOV UP,NIL MOV UP,NIL MOV UP,NIL MOV UP,NIL N:MOV UP,DOWN MOV UP,DOWN JRO LEFT MOV UP,DOWN MOV UP,DOWN MOV UP,DOWN MOV 0 DOWN B:MOV UP,ACC JNZ B @3 @4 @5 @6 MOV UP,DOWN @7 @8 @9 MOV UP,DOWN @10