D4CL6FXLIU32SR3UAZZASFNYOB7ZOIYPDF4YGLD64HIM4VZODGEAC
MFMCIUMJUYCV2GW5P25D5753YBYXWIMLWKKWX4PABEM7ACUIBGWAC
Y5HHIQXVHT3P7DNMG2G3UASKPLN4FBY7EY6ZSOWZBRJMPR6X6CGQC
7FRJYUI62VW257VVFQXND6OKSAILVTHGEJCXFE6CG6FIOIUTDVYAC
if let Some(sender) = sender.take() { sender.send(()).unwrap_or(()); }
if let Some(sender) = sender.take() {
sender.send(()).unwrap_or(());
}