C1333231331121111331333133313331333132233133313331333133112312121   >>    C133323133112111133133313331333133313223313331333133313311231212   <<    C1333231331121111331333133313331333132233133313331333133112312123   >>      C1333231331121111331333133313331333132233133313331333133112312122   >>