LYZOL6PMVGZBFHJPLJHG5E6CURSDZDQMNTSOU6LSNQQKFFGZM44AC
ZRUPLBBTT4S6S7A3LOAHG4ONYEGPA5CFO4L2XBCNFKK45MWX3BDAC
SXEYMYF7P4RZMZ46WPL4IZUTSQ2ATBWYZX7QNVMS3SGOYXYOHAGQC
write!(self.w, "{} {}", pref, contents)?;
writeln!(self.w, "{} {}", pref, contents)?;
write!(self.w, "{} {}", pref, contents)
writeln!(self.w, "{} {}", pref, contents)