C212313222213113313112113121111331323132233133313232233133323213231   >>    C21231322221311331311211312111133132313223313331323223313332321323   <<    C212313222213113313112113121111331323132233133313232233133323213233   >>      C212313222213113313112113121111331323132233133313232233133323213232   >>