C1111233133313231133133313331333133313231121333133313331333121333311   >>    C111123313331323113313331333133313331323112133313331333133312133331   <<    C1111233133313231133133313331333133313231121333133313331333121333313   >>      C1111233133313231133133313331333133313231121333133313331333121333312   >>