C2212133313231331121111331333133313331333133313231333211232333131   >>    C221213331323133112111133133313331333133313331323133321123233313   <<    C2212133313231331121111331333133313331333133313231333211232333133   >>      C2212133313231331121111331333133313331333133313231333211232333132   >>