#!/usr/bin/perl

# 7 - remove outer wall (fits!)
@m=((31,(15)x8)x8,(31)x9);$m[$c]|=16,!(@a=grep/-?./&!(16+$|*$'&$m[$c+$&]
),-18,11,94,-92)?$c=pop@p:${$_=$a[rand@a];s/-?.//;push@p,$c;$m[$c]&=~8/$
_;++$u-64?$m[$c+=$&]&=~$_:map$_&=15,@m,$c=$|=1},$|&&9x9999999,print"\ec"
,map$_%9?($_-$c?$m[$_]&2?_:$":o).($m[$_]&8?"|":_):$/,1..72until$c>70&$|