C22121333132313311211113313331333132233131133133313331311331311331323211   >>    C2212133313231331121111331333133313223313113313331333131133131133132321   <<    C22121333132313311211113313331333132233131133133313331311331311331323213   >>      C22121333132313311211113313331333132233131133133313331311331311331323212   >>