-l map{$i=$_*.05-1;print map{$r=$j=$_*.05-2.3;$z=$i;$b=$";map{$m=$r*$r;$n=$z*$z;$b='+'if$m+$n>4;$z=2*$r*$z+$i;$r=$m-$n+$j}a..iv;$b}0..59}0..39