def world11:
"+-----------+\n" +
"|tH.........|\n" +
"|.   .      |\n" +
"|   ...     |\n" +
"|.   .      |\n" +
"|Ht.. ......|\n" +
"+-----------+\n" ;

def world9:
"         \n" +
"  tH     \n" +
" .  .... \n" +
"  ..     \n" +
"         \n" ;