C1111233133313231133133313331333133313231331133133313331322133313232232122311   >>    C111123313331323113313331333133313331323133113313331333132213331323223212231   <<    C1111233133313231133133313331333133313231331133133313331322133313232232122313   >>      C1111233133313231133133313331333133313231331133133313331322133313232232122312   >>