procedure main go 25 lt 90 go 250 rt 90 go 50 rt 90 go 250 lt 90 go 42 lt 60 goto logo, steps = 225 lt 40 go 50 rt 90 go 75 end procedure logo repeat steps, slogo end procedure spiral repeat 100, spiralhelper end procedure slogo repeat 50, nothing go 1 end