%%HP: T(3)A(D)F(.);
@ CIRCLE Demo #1 by Conrad Winchester
\<<
    # 150d # 150d
      PDIM
      { # 0d # 0d } PVIEW
      0 149 FOR i
        i R\->B 75 R\->B 2 \->LIST i 75 - ABS CIRCLE
      3 STEP
\>>