BTL

BTL PAT 363734
    PAT	112510
    PAT	160410
    PAT	110411
    PAT	361637
    
    MODE (1,1)(WRP,RUN,SQR)
    WBT (1,1)(ABCD,0123,WXYZ)
    XL (1,1)1(0...)
CH  CHV (1,1) XLOC,SET,5,344
    CHV (1,1) YL0C,SET,5,244
    CHV	(1,1) SZ,SET,2,5
BX  BXL	(1,1) BTL(XL0C,YL0C,SZ,SZ,SZ,SZ,17,5)1(0...)
    XLI (1,1) BX,XLIT,1(A0,0A)
    CHV	(1,1) XL0C,ADD,2
    CHV (X,2,1) YL0C,SUB,2,2,BX
    GOTO (X,50,1) CH
    CAMERA (1,1)1