C1111233133313231133133313331333133313231323331333133313122331311   >>    C111123313331323113313331333133313331323132333133313331312233131   <<    C1111233133313231133133313331333133313231323331333133313122331313   >>      C1111233133313231133133313331333133313231323331333133313122331312   >>