echo -e \\$[]$[---e]$[-e]$[]e\\$[]$[-e]$[c-----c- --c]$[h-----c]\\$[]$[-e]$[o-----h- --h]$[-c]o\\$[]$[---c]$[---h] \\$[]$[-e]$[---c]$[---c]o\\$[]$[-e]$[e-c]$[---o]\\$[]$[-e]$[o-c]$[-h]\\$[]$[-e]$[-h]$[-h]\\$[]$[-h]$[-e]
Note that non-ascii characters in the above source code will be escaped (such as \x9f).