C13223313311212111133133313331323133313233313121111121111331333133322112121   >>    C1322331331121211113313331333132313331323331312111112111133133313332211212   <<    C13223313311212111133133313331323133313233313121111121111331333133322112123   >>      C13223313311212111133133313331323133313233313121111121111331333133322112122   >>