C13223313311212111133133313331323133313331323121111331333132312312131   >>    C1322331331121211113313331333132313331333132312111133133313231231213   <<    C13223313311212111133133313331323133313331323121111331333132312312133   >>      C13223313311212111133133313331323133313331323121111331333132312312132   >>