C11112331333132311331333133313331333132311213331333133313223313232333131   >>    C1111233133313231133133313331333133313231121333133313331322331323233313   <<    C11112331333132311331333133313331333132311213331333133313223313232333133   >>      C11112331333132311331333133313331333132311213331333133313223313232333132   >>