Wrak statku

            15R

            14O15

            13O14

              P            T
              |            |
            11P12        20S
              |            |
              P            T

            10O11        19S20

             9O10        18S19

   6L        8O9         17S18
 /  |
K - M        7O8         16S17
 \  |
   5N

    J    I6 - 1I --- I --- I
  / |    |  X  |  X  |  X  |  \
J - J - 4D --- E7 -- F -- G16 - C - H
  \ |    |  X  |  X  |  X  |  /
    J    B5 -- B --- B --- B


    u     r - r - r - r
    |         |
y - t - s4 - 3o - o - z - A
    |         |
    w     p - p - p - p


    e -- e - f1 -- g - h
   /                    \
  M-X n - m3 - l - Z2 (2)i
   \                    /
    c -- c - b --- k - j
            |
            a
            |
  Bezkresne wody oceanu
            |
    Przybrzeze Oceanu