C13223313311212111133133313331333131212111113331333132312323221211   >>    C1322331331121211113313331333133313121211111333133313231232322121   <<    C13223313311212111133133313331333131212111113331333132312323221213   >>      C13223313311212111133133313331333131212111113331333132312323221212   >>