simple plan

Description :

..888888888...
........88...
........88...
........88...
........88...
..888888888...

.......88888....8888 ......
......88888.....8888 88...
.....888888888888888 ..
......8888888888888. ...
........888888888888 ......
..........8888888888 ......
............8888888. ......
...............88888 ..........
..................88 8.............
.................... 8.............

..............8888
..........88888888
........8888
........888888888
.................888 88
..........888888888

.............88888
........88888888888
...8888888888888888
...88888..........88 8888
...888888.......8888 888
...8888888888888888
...888888
...888888
...888888
...888888