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