.###          
  .....###       
 ........## ###  
 ........≈###.###
 .........≈≈SSS≈#
≈≈...≈...≈...S≈∩#
.≈≈≈..≈.≈.....∩≈#
≈≈≈≈≈.≈≈.≈≈≈≈≈###
 .≈≈≈≈≈.≈######  
 ≈.≈≈.≈###       
 ≈.≈###          
  #