C1111233133313231133133313331333133313231323331333133313221333133323311   >>    C111123313331323113313331333133313331323132333133313331322133313332331   <<    C1111233133313231133133313331333133313231323331333133313221333133323313   >>      C1111233133313231133133313331333133313231323331333133313221333133323312   >>