#!perl map$#.=' 'x(3**$_/3).$#||'-',0..pop;print"$# "
#!perl $#='-';map$#.=' 'x(3**$_/3).$#,1..pop;print"$# "
#!perl $o='-';map$o.=' 'x(3**$_/3).$o,1..pop;print"$o "