C1111233133313231133133313331333133311221123121111331333133313331333211131   >>    C111123313331323113313331333133313331122112312111133133313331333133321113   <<    C1111233133313231133133313331333133311221123121111331333133313331333211133   >>      C1111233133313231133133313331333133311221123121111331333133313331333211132   >>