C1111233133313231133133313331333133313231323112331333131122313232311   >>    C111123313331323113313331333133313331323132311233133313112231323231   <<    C1111233133313231133133313331333133313231323112331333131122313232313   >>      C1111233133313231133133313331333133313231323112331333131122313232312   >>