C13223313311212111133133313331323133313233313121111331333132211211223131   >>    C1322331331121211113313331333132313331323331312111133133313221121122313   <<    C13223313311212111133133313331323133313233313121111331333132211211223133   >>      C13223313311212111133133313331323133313233313121111331333132211211223132   >>