ref: fa98fbb13c368040db238eb218ed844d53642a12
dir: orca/examples/misc/echoes.orca
......................................... .#.ECHOES.#.............................. ......................................... .22O..................................... .aV.22O.................................. .......22O............................... ..........22O............................ .............22O......................... ................22O...................... ...................22O................... ......................22O................ .........................22O............. ............................22O.......... .................................Va...... .................................1....... .........................................