$'d' \-(!!)()()# $'i' \-i2mc2c(!e!)1a(!!)0()p()z1sc(!!)(!d!)()p(e)p# $'g' \-o1s{d}0g# $'p' \-(!!)--(){g}\ / | ^ /---/ #(!!)-/ \- $'f' \-(!!)(!c!)(c)()2mc2c(!z!)(!y!)(!x!)(y)(){p}(c)()()9q-# $'main' \-[00000]{d}p{d}\ | /{f}-0-\ p | \ >e------/ ^ | / \ # \-1a/ | | \-{i}/