diff --git a/src/playground.txt b/src/playground.txt
new file mode 100644
index 0000000..024cfc7
--- /dev/null
+++ b/src/playground.txt
@@ -0,0 +1,125 @@
+|-----------------------------------------------------------------------------|
+|                                                                             |
+| |--------------------------|        |-----------------------|               |
+| |.......@..................|        |.......................|               |
+| |..........................+########+..6789D.....678.9D.....|               |
+| |..012345...012345.........|   #    |.......................+#######        |
+| |..........................|   #    |.......................|      #        |
+| |----------+---------------|   #    |----+------------------|      #        |
+|            #                 #############                         #        |
+|            #                 #     |-----+------|         |--------+------| |
+|            #                 #     |............|         |...............| |
+|            ###################     |....\.......+#########+.........M.....| |
+|            #                 #     |............|   #     |...............| |
+|            #                 #     |-----+------|   #     |--------+------| |
+|  |---------+-----------|     #           #          #              #        |
+|  |..........H..........|     #           #          #         |----+------| |
+|  |.....................+#############################         |...........| |
+|  |---------+-----------|     #           #                    |...........| |
+|            #                 #    |------+-| |---------|      |...........| |
+|  |---------+-----------|     #    |........| |...E.....|######|....O......| |
+|  |........W............+##########+..H.....+#+.........+#    #+...........| |
+|  |.....................|          |........| |.........|      |...........| |
+|  |---------------------|          |--------| |---------|      |-----------| |
+|                                                                             |
+|-----------------------------------------------------------------------------|
+|-----------------------------------------------------------------------------|
+|                                                                             |
+| |--------------------------|        |-----------------------|               |
+| |..........................|        |.......................|               |
+| |..........................+########+.......................|               |
+| |..........................|   #    |......................@+#######        |
+| |..........................|   #    |.......................|      #        |
+| |----------+---------------|   #    |----+------------------|      #        |
+|            #                 #############                         #        |
+|            #                 #     |-----+------|         |--------+------| |
+|            #                 #     |............|         |...............| |
+|            ########################+....\.......+#########+...............| |
+|            #                 #     |............|   #     |...............| |
+|            #                 #     |-----+------|   #     |--------+------| |
+|  |---------+-----------|     #           #          #              #        |
+|  |.....................|     #           #          #         |----+------| |
+|  |.....................+#############################         |...........| |
+|  |---------+-----------|     #           #                    |...........| |
+|            #                 #    |------+-| |---------|      |...........| |
+|  |---------+-----------|     #    |........| |.........|######|...........| |
+|  |.....................+##########+........+#+.........+#    #+...........| |
+|  |.....................|          |........| |.........|      |...........| |
+|  |---------------------|          |--------| |---------|      |-----------| |
+|                                                                             |
+|-----------------------------------------------------------------------------|
+|-----------------------------------------------------------------------------|
+|                                                                             |
+| |--------------------------|        |-----------------------|               |
+| |..........................|        |.......................|               |
+| |..........................+########+..6789D.....678.9D.....|               |
+| |..012345...012345.........|   #    |......................@+#######        |
+| |..........................|   #    |.......................|      #        |
+| |----------+---------------|   #    |----+------------------|      #        |
+|            #                 #############                         #        |
+|            #                 #     |-----+------|         |--------+------| |
+|            #                 #     |............|         |...............| |
+|            ########################+....\.......+#########+.........M.....| |
+|            #                 #     |............|   #     |...............| |
+|            #                 #     |-----+------|   #     |--------+------| |
+|  |---------+-----------|     #           #          #              #        |
+|  |..........H..........|     #           #          #         |----+------| |
+|  |.....................+#############################         |...........| |
+|  |---------+-----------|     #           #                    |...........| |
+|            #                 #    |------+-| |---------|      |...........| |
+|  |---------+-----------|     #    |........| |...E.....|######|....O......| |
+|  |........W............+##########+..H.....+#+.........+#    #+...........| |
+|  |.....................|          |........| |.........|      |...........| |
+|  |---------------------|          |--------| |---------|      |-----------| |
+|                                                                             |
+|-----------------------------------------------------------------------------|
+|-----------------------------------------------------------------------------|
+|                                                                             |
+| |--------------------------|        |-----------------------|               |
+| |..........................|        |.......................|               |
+| |..........................+########+..6789D.....678.9D.....|               |
+| |..012345...012345.........|   #    |......................@+#######        |
+| |..........................|   #    |.......................|      #        |
+| |----------+---------------|   #    |----+------------------|      #        |
+|            #                 #############                         #        |
+|            #                 #     |-----+------|         |--------+------| |
+|            #                 #     |............|         |...............| |
+|            ########################+....\.......+#########+.........M.....| |
+|            #                 #     |............|   #     |...............| |
+|            #                 #     |-----+------|   #     |--------+------| |
+|  |---------+-----------|     #           #          #              #        |
+|  |..........H..........|     #           #          #         |----+------| |
+|  |.....................+#############################         |...........| |
+|  |---------+-----------|     #           #                    |...........| |
+|            #                 #    |------+-| |---------|      |...........| |
+|  |---------+-----------|     #    |........| |...E.....|######|....O......| |
+|  |........W............+##########+..H.....+#+.........+#    #+...........| |
+|  |.....................|          |........| |.........|      |...........| |
+|  |---------------------|          |--------| |---------|      |-----------| |
+|                                                                             |
+|-----------------------------------------------------------------------------|
+|-----------------------------------------------------------------------------|
+|                                                                             |
+| |--------------------------|        |-----------------------|               |
+| |..........................|        |.......................|               |
+| |..........................+########+..6789D.....678.9D.....|               |
+| |..012345...012345.........|   #    |......................@+#######        |
+| |..........................|   #    |.......................|      #        |
+| |----------+---------------|   #    |----+------------------|      #        |
+|            #                 #############                         #        |
+|            #                 #     |-----+------|         |--------+------| |
+|            #                 #     |............|         |...............| |
+|            ########################+....\.......+#########+.........M.....| |
+|            #                 #     |............|   #     |...............| |
+|            #                 #     |-----+------|   #     |--------+------| |
+|  |---------+-----------|     #           #          #              #        |
+|  |..........H..........|     #           #          #         |----+------| |
+|  |.....................+#############################         |...........| |
+|  |---------+-----------|     #           #                    |...........| |
+|            #                 #    |------+-| |---------|      |...........| |
+|  |---------+-----------|     #    |........| |...E.....|######|....O......| |
+|  |........W............+##########+..H.....+#+.........+#    #+...........| |
+|  |.....................|          |........| |.........|      |...........| |
+|  |---------------------|          |--------| |---------|      |-----------| |
+|                                                                             |
+|-----------------------------------------------------------------------------|