C212313222213113313112113121111331323132233133313223313113313331331123232131   >>    C21231322221311331311211312111133132313223313331322331311331333133112323213   <<    C212313222213113313112113121111331323132233133313223313113313331331123232133   >>      C212313222213113313112113121111331323132233133313223313113313331331123232132   >>