C13223313311212111133133313331333131212111113331333132313123233313232331   >>    C1322331331121211113313331333133313121211111333133313231312323331323233   <<    C13223313311212111133133313331333131212111113331333132313123233313232333   >>      C13223313311212111133133313331333131212111113331333132313123233313232332   >>