`ABS.TIN - 10/3,4,5/2010 - lrb' :"" x=-22 T y=33+5*x {y>0}->P y=-1*y P :"" {x>=0};" " ;x ;" " k=y/3 {x<10}{x>=0};" " {x>-10}{x<0};" " H {k<0}->B ;"." k=k-1 ->H B ;" " ;y x=x+1 {x<=22}->T :"" !