C11112331333132311331333133313331333132311213331333132333131323331311332311   >>    C1111233133313231133133313331333133313231121333133313233313132333131133231   <<    C11112331333132311331333133313331333132311213331333132333131323331311332313   >>      C11112331333132311331333133313331333132311213331333132333131323331311332312   >>