1         2        3        4        5         6        7        8
  0        0         0        0        0        0         0        0        0
 1                                                                           
 2++-------+---------+--------+--------+--------+---------+--------+-------++
  +        +         +        +        +        +         +        +        +
  |                                                                         |
  |                                                                         |
  |                                                                         |
  +                                                                         +
  |                                                                         |
  |                                                                         |
  |                                                                         |
  +                                                                         +
  |***********                                                              |
  |************                                                             |
  |***                                                                      |
 1|****                                                                     |
 8+****                                                                    ++
  |****                                                                     |
  |********                                                                 |
  |*******                                                                  |
  |************************************                                     |
  +                            **********************************           +
  |                           *****************************************     |
  |                  *******************************                        |
  |                 **************************                              |
  +             ************************                                    +
  |           *********************                                         |
  |       *************************                                         |
  |       ***************                                                   |
 0|     ****************                                                    |
 0++ ********************                                                  ++
  |   **********************                                                |
  |   ***************                                                       |
  |     ************                                                        |
  +  *************                                                          +
  |  *************                                                          |
  |  ***************                                                        |
  |*****************                                                        |
  |**************                                                           |
  +************                                                             +
  |     ************                                                        |
  |  ****************                                                       |
  |      *******************                                                |
 0|       **********************                                            |
 6++         *************************                                     ++
  |         ****************************                                    |
  |         ***********************                                         |
  |            ********************                                         |
  +             ************************                                    +
  |      *****************************                                      |
  |       **************************                                        |
  |          *********************                                          |
  |   **********************                                                |
  +       *********************                                             +
  |     *********************                                               |
  |  ***********************                                                |
  |   ******************                                                    |
 1|       ******************                                                |
 2++     ****************                                                  ++
  |     ****************                                                    |
  |************************                                                 |
  |  **********************                                                 |
  +  ************                                                           +
  |***********                                                              |
  |  ****************                                                       |
  |******************                                                       |
  |  ****************                                                       |
u +   ***************                                                       +
n |   ***************                                                       |
i |  *****************                                                      |
q |*****************                                                        |
u1|**************                                                           |
e8+************                                                            ++
  |  **********                                                             |
h |  *************                                                          |
o |*******************                                                      |
s +************                                                             +
t |*******                                                                  |
s |***********                                                              |
  |********                                                                 |
p |***********                                                              |
e +************                                                             +
r |*******                                                                  |
  |****                                                                     |
m0|******                                                                   |
i0+***********                                                             ++
n |*******************                                                      |
u |******                                                                   |
t |********                                                                 |
e |******                                                                   |
  +****                                                                     +
  |***                                                                      |
  |****                                                                     |
  |******                                                                   |
  |******                                                                   |
  +*******                                                                  +
  |****                                                                     |
  |********                                                                 |
 0|*******                                                                  |
 6+********                                                                ++
  |********                                                                 |
  |*******                                                                  |
  |**********                                                               |
  |********                                                                 |
  +***********                                                              +
  |**************                                                           |
  |******************                                                       |
  |***************                                                          |
  |***********                                                              |
  +************                                                             +
  |******************                                                       |
  |**************                                                           |
 1|**********************                                                   |
 2+**************************                                              ++
  |**************                                                           |
  |**************                                                           |
  |***********                                                              |
  |***********                                                              |
  +***************                                                          +
  |*******************                                                      |
  |**********                                                               |
  |********                                                                 |
  |************                                                             |
  +*******                                                                  +
  |*******                                                                  |
  |*******                                                                  |
 1|**********                                                               |
 8+***********                                                             ++
  |******************                                                       |
  |****                                                                     |
  |******                                                                   |
  |********                                                                 |
  +******                                                                   +
  |****                                                                     |
  |***********                                                              |
  |*******                                                                  |
  +******                                                                   +
  |***                                                                      |
  |********                                                                 |
  |**********                                                              s|
 0|***                                                                     l|
 0+******                                                                  a+
  |****                                                                    s|
  |******                                                                  h|
  |***                                                                     d|
  |*                                                                       o|
  +***                                                                     t+
  |********                                                                 |
  |**                                                                      *|
  |                                                                        *|
  +                                                                        *+
  |                                                                        *|
  |                                                                        *|
  |                                                                        *|
 0+        +         +        +        +        +         +        +        +
 6++-------+---------+--------+--------+--------+---------+--------+-------++