C1111233133313231133133313331333133313231331133133313331333112322122311   >>    C111123313331323113313331333133313331323133113313331333133311232212231   <<    C1111233133313231133133313331333133313231331133133313331333112322122313   >>      C1111233133313231133133313331333133313231331133133313331333112322122312   >>