C22121333132313311211113313331333132233131133133313232233131133223331   >>    C2212133313231331121111331333133313223313113313331323223313113322333   <<    C22121333132313311211113313331333132233131133133313232233131133223333   >>      C22121333132313311211113313331333132233131133133313232233131133223332   >>