koperkapel/levels/tunnel2

   1 tttttttttttttttttttttttttttttttttttttt
   2 tttttttttttttttttttttttttttttttttttttt
   3 tt-----------------------------------t
   4 ttt-tttttttttttttttttttttttttttttttt-t
   5 ttt-tt----tttttttttttttttttttttttttt-t
   6 ttt----tt-tttttttttttttttttttttttttt-t
   7 ttt-ttttt-tttttttttttttttttttttt---t-t
   8 tt--------tttttttttttttttttttttt-ttt-t
   9 tt-ttttttttt----ttttt---t-----tt-tt--t
  10 tt-ttttttttt-tt-ttttt-t-t-ttt-tt-ttt-t
  11 tt-ttttttttt-tt-------t---ttt-tt-ttt-t
  12 tt-----------tttttttttttttttt-t--ttt-t
  13 tttt-ttttttttttttttttttttt------tttt-t
  14 tttt-ttttttttttttttttttttt-ttttttttt-t
  15 tttt-ttt----------ttttt----ttttttttt-t
  16 tttt-----tttttttt-------tttttttttttt-t
  17 tttttttttttttttttttttttttttttttttttttt