C11112331333132311331333133313331333132332311331333133313132233132313222311   >>    C1111233133313231133133313331333133313233231133133313331313223313231322231   <<    C11112331333132311331333133313331333132332311331333133313132233132313222313   >>      C11112331333132311331333133313331333132332311331333133313132233132313222312   >>