C13223313311212111133133313331323133313233313121111331333133322123121   >>    C1322331331121211113313331333132313331323331312111133133313332212312   <<    C13223313311212111133133313331323133313233313121111331333133322123123   >>      C13223313311212111133133313331323133313233313121111331333133322123122   >>