C13223313311212111133133313331323133313233313121111331323133112131121   >>    C1322331331121211113313331333132313331323331312111133132313311213112   <<    C13223313311212111133133313331323133313233313121111331323133112131123   >>      C13223313311212111133133313331323133313233313121111331323133112131122   >>