C1111233133313231133133313331333133313231331133133313331323133313232131231   >>    C111123313331323113313331333133313331323133113313331333132313331323213123   <<    C1111233133313231133133313331333133313231331133133313331323133313232131233   >>      C1111233133313231133133313331333133313231331133133313331323133313232131232   >>