C212313222213113313112113121111331323132233133313232321323132323311   >>    C21231322221311331311211312111133132313223313331323232132313232331   <<    C212313222213113313112113121111331323132233133313232321323132323313   >>      C212313222213113313112113121111331323132233133313232321323132323312   >>