C13223313311212111133133313331323133313331323121211113313133131211   >>    C1322331331121211113313331333132313331333132312121111331313313121   <<    C13223313311212111133133313331323133313331323121211113313133131213   >>      C13223313311212111133133313331323133313331323121211113313133131212   >>