C212313222213113313112113121111331323132233133313331121133132233132311233131   >>    C21231322221311331311211312111133132313223313331333112113313223313231123313   <<    C212313222213113313112113121111331323132233133313331121133132233132311233133   >>      C212313222213113313112113121111331323132233133313331121133132233132311233132   >>