C13223313311212111133133313331333131212111113331333132322331312312331   >>    C1322331331121211113313331333133313121211111333133313232233131231233   <<    C13223313311212111133133313331333131212111113331333132322331312312333   >>      C13223313311212111133133313331333131212111113331333132322331312312332   >>