$'main' \---0(!x!)---\ | /-------------/ | | /--s1(a)m----------------\ | | | | \ | | \ /-[1000]-/ \--1i----(!a!)(a)0q< / \ / | | | \ | >-{~}-e(!x!)a(x)---/ / | \-(x)o# $ '~' (a -- b): \ | /-t-\ # | / \| \-< | \ /| \-f-/ @ $ '1000' \-99m9a9a1a#