C22121333132313311211113313331333132233131133133313331323132321231   >>    C2212133313231331121111331333133313223313113313331333132313232123   <<    C22121333132313311211113313331333132233131133133313331323132321233   >>      C22121333132313311211113313331333132233131133133313331323132321232   >>