C1333231331121111331333133313331333132233313331333133313211232212111   >>    C133323133112111133133313331333133313223331333133313331321123221211   <<    C1333231331121111331333133313331333132233313331333133313211232212113   >>      C1333231331121111331333133313331333132233313331333133313211232212112   >>