GOTO10-like oneliner
println.(1:10 .|>_->prod(j->rand(["╱╲"...]),1:10));
prints this random pattern
╲╱╲╱╲╲╲╲╱╱
╱╱╲╲╱╲╱╲╲╲
╲╱╱╱╱╲╱╲╲╱
╱╲╲╲╲╲╲╲╱╲
╱╱╲╲╱╱╱╱╱╲
╲╲╱╲╲╱╲╲╲╱
╲╱╱╲╲╱╱╲╱╲
╱╲╱╱╱╱╲╲╲╲
╱╱╲╱╲╱╱╱╲╲
╱╲╱╱╱╱╲╲╱╱
change the “palette” for more generative fun. For example, ╒╓╔╕╖╗╘╙╚╛╜╝╞╟ yields
╗╟╒╘╟╝╗╒╛╔
╞╘╝╝╓╘╗╖╙╒
╓╟╘╘╒╙╚╒╛╘
╒╖╒╙╗╝╒╔╛╘
╓╘╘╛╜╝╙╔╞╞
╜╛╞╖╔╓╟╛╛╚
╞╞╗╖╒╘╕╕╒╗
╔╞╖╞╚╗╝╔╗╗
╔╚╛╝╔╚╞╙╘╟
╙╚╝╚╒╓╔╕╞╛