Zniszczona kryjowka

             l               (1)r
             |
            1k           n - (1)m1 - p
             |                  |
     i - h - g - j - e          o
             |
     e - d - c - d - f
             |
Midennir     |
        \    |
         a - b - s - t                                     bp - br        bu - bt9
                 |     \                                    |    |
          I  E - D - F  u - w - y - z                 bn - bo - br            9as
          |      |              |   |                 |    bl(2)               |
      J - H ---- G - L  2S      B - A    bl(2)        |    |        an8  8bs - bs - bw
          |      |       |          |     |           |    7bk     /                  \
          K  O - M ----- H - R      C6  6bk           bm - C7 - an                     3by
                 |       |
                 N       P
                                             e
                                             |
                                       aj - ai - ak
                                            /
                                     ag - af - ah
                                           |
bh - bg              ap - ao3 - an         ae  U - 2T
     |             /            |          |   |
    bf   bc   ba ar   at       am4 - al - ad - W  Z  ab
     |    |   |   |    |                        \ |   |
    be - bb - az as - af - aw   4bi5              Y - Y
          |   | /      |                          |   |
         bd   af      au        5bj              aa  ac
              |
              ay