C13223313311212111133133313331323133313233313121111121111133313232132311321   >>    C1322331331121211113313331333132313331323331312111112111113331323213231132   <<    C13223313311212111133133313331323133313233313121111121111133313232132311323   >>      C13223313311212111133133313331323133313233313121111121111133313232132311322   >>