C13223313311212111133133313331323133313233313121111121111133313221221   >>    C1322331331121211113313331333132313331323331312111112111113331322122   <<    C13223313311212111133133313331323133313233313121111121111133313221223   >>      C13223313311212111133133313331323133313233313121111121111133313221222   >>