C13223313311212111133133313331323133313331323121111331333132322211232331   >>    C1322331331121211113313331333132313331333132312111133133313232221123233   <<    C13223313311212111133133313331323133313331323121111331333132322211232333   >>      C13223313311212111133133313331323133313331323121111331333132322211232332   >>