C22121333132313311211113313331333132233131133133313331311331333131211111121221   >>    C2212133313231331121111331333133313223313113313331333131133133313121111112122   <<    C22121333132313311211113313331333132233131133133313331311331333131211111121223   >>      C22121333132313311211113313331333132233131133133313331311331333131211111121222   >>