C1111233133313231133133313331333133313231331133133313331333232132331   >>    C111123313331323113313331333133313331323133113313331333133323213233   <<    C1111233133313231133133313331333133313231331133133313331333232132333   >>      C1111233133313231133133313331333133313231331133133313331333232132332   >>