C1333231331121111331333133313331333132313223313331333132212331121   >>    C133323133112111133133313331333133313231322331333133313221233112   <<    C1333231331121111331333133313331333132313223313331333132212331123   >>      C1333231331121111331333133313331333132313223313331333132212331122   >>