C212313222213113313112113121111331323132233133313223313331123313121121   >>    C21231322221311331311211312111133132313223313331322331333112331312112   <<    C212313222213113313112113121111331323132233133313223313331123313121123   >>      C212313222213113313112113121111331323132233133313223313331123313121122   >>