_
            /     \
            |       |
            |       |
            |       |
            |       |
          -----------
       /               \
      |                  |
       \____/

               _
            /     \
            |       |
            |       |
            |       |
            |       |
          -----------
       /               \
      |                  |
       \____/

               _
            /     \
            |       |
            |       |
            |       |
            |       |
          -----------
       /               \
      |                  |
       \____/

               _
            /     \
            |       |
            |       |
            |       |
            |       |
          -----------
       /               \
      |                  |
       \____/

               _
            /     \
            |       |
            |       |
            |       |
            |       |
          -----------
       /               \
      |                  |
       \____/

               _
            /     \
            |       |
            |       |
            |       |
            |       |
          -----------
       /               \
      |                  |
       \____/