C13223313311212111133133313331323133313233313121111331323233233231   >>    C1322331331121211113313331333132313331323331312111133132323323323   <<    C13223313311212111133133313331323133313233313121111331323233233233   >>      C13223313311212111133133313331323133313233313121111331323233233232   >>