$'a'
 -0ia2mia2mia2mia2mia2mia2mia2miai(!!)#
$'main'
 -0(!!){a}-()()1a(!!)s(!b!)(b)(b)\
/        /-                      |
|       @  >g0(b)-               |
|         1       >qfq[-](!p!)c1-/
 \------o-0-------