C22121333132313311211113313331333132233131133133313331311331311331323121   >>    C2212133313231331121111331333133313223313113313331333131133131133132312   <<    C22121333132313311211113313331333132233131133133313331311331311331323123   >>      C22121333132313311211113313331333132233131133133313331311331311331323122   >>