C1111233133313231133133313331333133313231331133133313331333211113311   >>    C111123313331323113313331333133313331323133113313331333133321111331   <<    C1111233133313231133133313331333133313231331133133313331333211113313   >>      C1111233133313231133133313331333133313231331133133313331333211113312   >>